repo stringlengths 6 65 | file_url stringlengths 81 311 | file_path stringlengths 6 227 | content stringlengths 0 32.8k | language stringclasses 1
value | license stringclasses 7
values | commit_sha stringlengths 40 40 | retrieved_at stringdate 2026-01-04 15:31:58 2026-01-04 20:25:31 | truncated bool 2
classes |
|---|---|---|---|---|---|---|---|---|
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/stack_temporary.rs | src/tools/miri/tests/fail/dangling_pointers/stack_temporary.rs | // This should fail even without validation
//@compile-flags: -Zmiri-disable-validation
unsafe fn make_ref<'a>(x: *mut i32) -> &'a mut i32 {
&mut *x
}
fn main() {
unsafe {
let x = make_ref(&mut 0); // The temporary storing "0" is deallocated at the ";"!
let val = *x; //~ ERROR: has been freed
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/dangling_pointer_deref_match_never.rs | src/tools/miri/tests/fail/dangling_pointers/dangling_pointer_deref_match_never.rs | // Make sure we find these even with many checks disabled.
//@compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation
#![allow(unreachable_code)]
#![feature(never_type)]
fn main() {
let p = {
let b = Box::new(42);
&*b as *const i32 as *const !
};
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/dangling_pointer_project_underscore_let_type_annotation.rs | src/tools/miri/tests/fail/dangling_pointers/dangling_pointer_project_underscore_let_type_annotation.rs | // Make sure we find these even with many checks disabled.
//@compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation
fn main() {
let p = {
let b = Box::new(42);
&*b as *const i32 as *const (u8, u8, u8, u8)
};
unsafe {
let _: u8 = (*p).... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/null_pointer_deref.rs | src/tools/miri/tests/fail/dangling_pointers/null_pointer_deref.rs | #[allow(deref_nullptr)]
fn main() {
let x: i32 = unsafe { *std::ptr::null() }; //~ ERROR: null pointer
panic!("this should never print: {}", x);
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/dangling_pointer_offset.rs | src/tools/miri/tests/fail/dangling_pointers/dangling_pointer_offset.rs | // Make sure we find these even with many checks disabled.
//@compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation
fn main() {
let p = {
let b = Box::new(42);
&*b as *const i32
};
let x = unsafe { p.offset(42) }; //~ ERROR: /in-bounds pointe... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/dyn_size.rs | src/tools/miri/tests/fail/dangling_pointers/dyn_size.rs | // should find the bug even without retagging
//@compile-flags: -Zmiri-disable-stacked-borrows
struct SliceWithHead(#[allow(dead_code)] u8, #[allow(dead_code)] [u8]);
fn main() {
let buf = [0u32; 1];
// We craft a wide pointer `*const SliceWithHead` such that the unsized tail is only partially allocated.
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/dangling_pointer_deref.rs | src/tools/miri/tests/fail/dangling_pointers/dangling_pointer_deref.rs | // Make sure we find these even with many checks disabled.
//@compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation
fn main() {
let p = {
let b = Box::new(42);
&*b as *const i32
};
let x = unsafe { *p }; //~ ERROR: has been freed
panic!("... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/deref_dangling_box.rs | src/tools/miri/tests/fail/dangling_pointers/deref_dangling_box.rs | // Should be caught even without retagging
//@compile-flags: -Zmiri-disable-stacked-borrows
use std::ptr::{self, addr_of_mut};
// Deref'ing a dangling raw pointer is fine, but for a dangling box it is not.
// We do this behind a pointer indirection to potentially fool validity checking.
// (This test relies on the `de... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/null_pointer_write.rs | src/tools/miri/tests/fail/dangling_pointers/null_pointer_write.rs | #[allow(deref_nullptr)]
fn main() {
unsafe { *std::ptr::null_mut() = 0i32 }; //~ ERROR: null pointer
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/dangling_pointer_to_raw_pointer.rs | src/tools/miri/tests/fail/dangling_pointers/dangling_pointer_to_raw_pointer.rs | use std::ptr;
fn direct_raw(x: *const (i32, i32)) -> *const i32 {
unsafe { &raw const (*x).0 }
}
// Ensure that if a raw pointer is created via an intermediate
// reference, we catch that. (Just in case someone decides to
// desugar this differently or so.)
fn via_ref(x: *const (i32, i32)) -> *const i32 {
uns... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/wild_pointer_deref.rs | src/tools/miri/tests/fail/dangling_pointers/wild_pointer_deref.rs | //@compile-flags: -Zmiri-permissive-provenance
fn main() {
let p = 44 as *const i32;
let x = unsafe { *p }; //~ ERROR: is a dangling pointer
panic!("this should never print: {}", x);
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/dangling_pointer_project_underscore_let.rs | src/tools/miri/tests/fail/dangling_pointers/dangling_pointer_project_underscore_let.rs | // Make sure we find these even with many checks disabled.
//@compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation
fn main() {
let p = {
let b = Box::new(42);
&*b as *const i32 as *const (u8, u8, u8, u8)
};
unsafe {
let _ = (*p).1; /... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/deref_dangling_ref.rs | src/tools/miri/tests/fail/dangling_pointers/deref_dangling_ref.rs | // Should be caught even without retagging
//@compile-flags: -Zmiri-disable-stacked-borrows
use std::ptr::{self, addr_of_mut};
// Deref'ing a dangling raw pointer is fine, but for a dangling reference it is not.
// We do this behind a pointer indirection to potentially fool validity checking.
// (This test relies on t... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/storage_dead_dangling.rs | src/tools/miri/tests/fail/dangling_pointers/storage_dead_dangling.rs | // This should fail even without validation
//@compile-flags: -Zmiri-disable-validation -Zmiri-permissive-provenance
static mut LEAK: usize = 0;
fn fill(v: &mut i32) {
unsafe {
LEAK = v as *mut _ as usize;
}
}
fn evil() {
let _ref = unsafe { &mut *(LEAK as *mut i32) }; //~ ERROR: is a dangling po... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/dangling_pointers/out_of_bounds_project.rs | src/tools/miri/tests/fail/dangling_pointers/out_of_bounds_project.rs | // Make sure we find these even with many checks disabled.
//@compile-flags: -Zmiri-disable-alignment-check -Zmiri-disable-stacked-borrows -Zmiri-disable-validation
use std::ptr::addr_of;
fn main() {
let v = 0u32;
let ptr = addr_of!(v).cast::<(u32, u32, u32)>();
unsafe {
let _field = addr_of!((*ptr... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/macos_tlv_atexit_wrong_abi.rs | src/tools/miri/tests/fail/shims/macos_tlv_atexit_wrong_abi.rs | //@only-target: darwin
use std::{mem, ptr};
extern "C" {
fn _tlv_atexit(dtor: unsafe extern "C" fn(*mut u8), arg: *mut u8);
}
fn register(dtor: unsafe fn(*mut u8)) {
unsafe {
_tlv_atexit(mem::transmute(dtor), ptr::null_mut());
//~^ERROR: calling a function with calling convention "Rust"
}... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/return_type_mismatch.rs | src/tools/miri/tests/fail/shims/return_type_mismatch.rs | //@ignore-target: windows # File handling is not implemented yet
//@compile-flags: -Zmiri-disable-isolation
use std::ffi::{CString, OsStr, c_char, c_int, c_short};
use std::os::unix::ffi::OsStrExt;
extern "C" {
fn open(path: *const c_char, oflag: c_int, ...) -> c_int;
// correct return type is i32
fn close... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/wrong_fixed_arg_count.rs | src/tools/miri/tests/fail/shims/wrong_fixed_arg_count.rs | //@ignore-target: windows # File handling is not implemented yet
//@compile-flags: -Zmiri-disable-isolation
use std::ffi::{CString, OsStr, c_char, c_int};
use std::os::unix::ffi::OsStrExt;
extern "C" {
fn open(path: *const c_char, ...) -> c_int;
}
fn main() {
let c_path = CString::new(OsStr::new("./text").as_... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/ctor_ub.rs | src/tools/miri/tests/fail/shims/ctor_ub.rs | unsafe extern "C" fn ctor() {
std::hint::unreachable_unchecked()
//~^ERROR: unreachable
}
#[rustfmt::skip]
macro_rules! ctor {
($ident:ident = $ctor:ident) => {
#[cfg_attr(
all(any(
target_os = "linux",
target_os = "android",
target_os = "... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/shim_arg_size.rs | src/tools/miri/tests/fail/shims/shim_arg_size.rs | fn main() {
extern "C" {
// Use the wrong type (ie. not `i32`) for the `c` argument.
fn memchr(s: *const std::ffi::c_void, c: u8, n: usize) -> *mut std::ffi::c_void;
}
unsafe {
memchr(std::ptr::null(), 0, 0); //~ ERROR: Undefined Behavior: scalar size mismatch
};
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/ctor_wrong_ret_type.rs | src/tools/miri/tests/fail/shims/ctor_wrong_ret_type.rs | unsafe extern "C" fn ctor() -> i32 {
0
}
#[rustfmt::skip]
macro_rules! ctor {
($ident:ident = $ctor:ident) => {
#[cfg_attr(
all(any(
target_os = "linux",
target_os = "android",
target_os = "dragonfly",
target_os = "freebsd",
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/vararg_caller_signature_mismatch.rs | src/tools/miri/tests/fail/shims/vararg_caller_signature_mismatch.rs | //@ignore-target: windows # No libc pipe on Windows
// Declare a non-variadic function as variadic.
extern "C" {
fn pipe(fds: *mut std::ffi::c_int, ...) -> std::ffi::c_int;
}
// Test the error caused by invoking non-vararg shim with a vararg import.
fn main() {
let mut fds = [-1, -1];
let res = unsafe { p... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/non_vararg_signature_mismatch.rs | src/tools/miri/tests/fail/shims/non_vararg_signature_mismatch.rs | //@ignore-target: windows # File handling is not implemented yet
//@compile-flags: -Zmiri-disable-isolation
use std::ffi::{CString, OsStr, c_char, c_int};
use std::os::unix::ffi::OsStrExt;
// Declare a variadic function as non-variadic.
extern "C" {
fn open(path: *const c_char, oflag: c_int) -> c_int;
}
fn main()... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/isolated_stdin.rs | src/tools/miri/tests/fail/shims/isolated_stdin.rs | //@error-in-other-file: `read` from stdin not available when isolation is enabled
//@normalize-stderr-test: "src/sys/.*\.rs" -> "$$FILE"
//@normalize-stderr-test: "\nLL \| .*" -> ""
//@normalize-stderr-test: "\n... .*" -> ""
//@normalize-stderr-test: "\| +[|_^]+" -> "| ^"
//@normalize-stderr-test: "\n *= note:.*" -> ""... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/input_arg_mismatch.rs | src/tools/miri/tests/fail/shims/input_arg_mismatch.rs | //@ignore-target: windows # File handling is not implemented yet
//@compile-flags: -Zmiri-disable-isolation
use std::ffi::{CString, OsStr, c_char, c_int};
use std::os::unix::ffi::OsStrExt;
extern "C" {
fn open(path: *const c_char, oflag: c_int, ...) -> c_int;
// correct fd type is i32
fn close(fd: u32) -> ... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-decl.rs | src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-decl.rs | extern "Rust" {
fn miri_backtrace_size(flags: u64) -> usize;
fn miri_get_backtrace(flags: u64, buf: *mut *mut ());
fn miri_resolve_frame(ptr: *mut (), flags: u64);
}
fn main() {
let size = unsafe { miri_backtrace_size(0) };
let mut frames = vec![std::ptr::null_mut(); size];
unsafe { miri_get_ba... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-resolve-flags.rs | src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-resolve-flags.rs | #[repr(C)]
struct MiriFrame {
name_len: usize,
filename_len: usize,
lineno: u32,
colno: u32,
fn_ptr: *mut (),
}
extern "Rust" {
fn miri_backtrace_size(flags: u64) -> usize;
fn miri_get_backtrace(flags: u64, buf: *mut *mut ());
fn miri_resolve_frame(ptr: *mut (), flags: u64) -> MiriFrame... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-resolve-names-flags.rs | src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-resolve-names-flags.rs | extern "Rust" {
fn miri_backtrace_size(flags: u64) -> usize;
fn miri_get_backtrace(flags: u64, buf: *mut *mut ());
fn miri_resolve_frame_names(ptr: *mut (), flags: u64, name_buf: *mut u8, filename_buf: *mut u8);
}
fn main() {
unsafe {
let mut buf = vec![std::ptr::null_mut(); miri_backtrace_size... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-flags.rs | src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-flags.rs | extern "Rust" {
fn miri_get_backtrace(flags: u64, buf: *mut *mut ());
}
fn main() {
unsafe {
miri_get_backtrace(2, std::ptr::null_mut()); //~ ERROR: unsupported operation: unknown `miri_get_backtrace` flags 2
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-ptr.rs | src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-ptr.rs | extern "Rust" {
fn miri_resolve_frame(ptr: *mut (), flags: u64);
}
fn main() {
unsafe {
miri_resolve_frame(std::ptr::null_mut(), 0); //~ ERROR: null pointer
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-size-flags.rs | src/tools/miri/tests/fail/shims/backtrace/bad-backtrace-size-flags.rs | extern "Rust" {
fn miri_backtrace_size(flags: u64) -> usize;
}
fn main() {
unsafe {
miri_backtrace_size(2); //~ ERROR: unsupported operation: unknown `miri_backtrace_size` flags 2
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/shims/fs/isolated_file.rs | src/tools/miri/tests/fail/shims/fs/isolated_file.rs | //@ignore-target: windows # File handling is not implemented yet
//@error-in-other-file: `open` not available when isolation is enabled
fn main() {
let _file = std::fs::File::open("file.txt").unwrap();
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/concurrency/mutex-leak-move-deadlock.rs | src/tools/miri/tests/fail/concurrency/mutex-leak-move-deadlock.rs | //@error-in-other-file: deadlock
//@normalize-stderr-test: "src/sys/.*\.rs" -> "$$FILE"
//@normalize-stderr-test: "LL \| .*" -> "LL | $$CODE"
//@normalize-stderr-test: "\| +\^+" -> "| ^"
//@normalize-stderr-test: "\n *= note:.*" -> ""
//@normalize-stderr-test: "\n *\d+:.*\n *at .*" -> ""
// On macOS we use chekced pthr... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/concurrency/read_only_atomic_cmpxchg.rs | src/tools/miri/tests/fail/concurrency/read_only_atomic_cmpxchg.rs | // Should not rely on the aliasing model for its failure.
//@compile-flags: -Zmiri-disable-stacked-borrows
use std::sync::atomic::{AtomicI32, Ordering};
fn main() {
static X: i32 = 0;
let x = &X as *const i32 as *const AtomicI32;
let x = unsafe { &*x };
x.compare_exchange(1, 2, Ordering::Relaxed, Orde... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/concurrency/read_only_atomic_load_large.rs | src/tools/miri/tests/fail/concurrency/read_only_atomic_load_large.rs | // Should not rely on the aliasing model for its failure.
//@compile-flags: -Zmiri-disable-stacked-borrows
// Needs atomic accesses larger than the pointer size
//@ignore-bitwidth: 64
//@ignore-target: mips-
use std::sync::atomic::{AtomicI64, Ordering};
#[repr(align(8))]
struct AlignedI64(#[allow(dead_code)] i64);
f... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/concurrency/read_only_atomic_load_acquire.rs | src/tools/miri/tests/fail/concurrency/read_only_atomic_load_acquire.rs | // Should not rely on the aliasing model for its failure.
//@compile-flags: -Zmiri-disable-stacked-borrows
use std::sync::atomic::{AtomicI32, Ordering};
fn main() {
static X: i32 = 0;
let x = &X as *const i32 as *const AtomicI32;
let x = unsafe { &*x };
// Some targets can implement atomic loads via c... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_big4.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_big4.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f64, u128>(u128::MAX as f64); //~ ERROR: cannot be represented in target type `u128`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/ptr_offset_from_oob.rs | src/tools/miri/tests/fail/intrinsics/ptr_offset_from_oob.rs | fn main() {
let mem = [0u8; 1];
let ptr = mem.as_ptr();
unsafe {
ptr.wrapping_add(4).offset_from(ptr); //~ERROR: the memory range between them is not in-bounds of an allocation
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/typed-swap-overlap.rs | src/tools/miri/tests/fail/intrinsics/typed-swap-overlap.rs | #![feature(core_intrinsics)]
#![feature(rustc_attrs)]
use std::intrinsics::typed_swap_nonoverlapping;
use std::ptr::addr_of_mut;
fn main() {
let mut a = 0_u8;
unsafe {
let a = addr_of_mut!(a);
typed_swap_nonoverlapping(a, a); //~ERROR: called on overlapping ranges
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/unchecked_div1.rs | src/tools/miri/tests/fail/intrinsics/unchecked_div1.rs | #![feature(core_intrinsics)]
fn main() {
// MIN/-1 cannot be represented
unsafe {
std::intrinsics::unchecked_div(i16::MIN, -1); //~ ERROR: overflow in signed division (dividing MIN by -1)
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/simd-div-overflow.rs | src/tools/miri/tests/fail/intrinsics/simd-div-overflow.rs | #![feature(core_intrinsics, repr_simd)]
use std::intrinsics::simd::simd_div;
#[repr(simd)]
#[allow(non_camel_case_types)]
struct i32x2([i32; 2]);
fn main() {
unsafe {
let x = i32x2([1, i32::MIN]);
let y = i32x2([1, -1]);
simd_div(x, y); //~ERROR: Undefined Behavior: overflow in signed div... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/copy_overlapping.rs | src/tools/miri/tests/fail/intrinsics/copy_overlapping.rs | #![feature(core_intrinsics)]
fn main() {
let mut data = [0u8; 16];
unsafe {
let a = data.as_mut_ptr();
let b = a.wrapping_offset(1) as *mut _;
// Directly call intrinsic to avoid debug assertions in the `std::ptr` version.
std::intrinsics::copy_nonoverlapping(a, b, 2); //~ ERROR... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_64_infneg2.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_64_infneg2.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f64, i128>(f64::NEG_INFINITY); //~ ERROR: cannot be represented in target type `i128`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/write_bytes_overflow.rs | src/tools/miri/tests/fail/intrinsics/write_bytes_overflow.rs | use std::mem;
fn main() {
let mut y = 0;
unsafe {
(&mut y as *mut i32).write_bytes(0u8, 1usize << (mem::size_of::<usize>() * 8 - 1));
//~^ ERROR: overflow computing total size of `write_bytes`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/unchecked_sub1.rs | src/tools/miri/tests/fail/intrinsics/unchecked_sub1.rs | fn main() {
// MIN overflow
let _val = unsafe { 14u32.unchecked_sub(22) }; //~ ERROR: arithmetic overflow in `unchecked_sub`
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/ctlz_nonzero.rs | src/tools/miri/tests/fail/intrinsics/ctlz_nonzero.rs | #![feature(core_intrinsics)]
fn main() {
unsafe {
use std::intrinsics::*;
ctlz_nonzero(0u8); //~ ERROR: `ctlz_nonzero` called on 0
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_big5.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_big5.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f64, i128>(240282366920938463463374607431768211455.0f64); //~ ERROR: cannot be represented in target type `i128`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/simd_masked_store_element_misaligned.rs | src/tools/miri/tests/fail/intrinsics/simd_masked_store_element_misaligned.rs | #![feature(core_intrinsics, portable_simd)]
use std::intrinsics::simd::*;
use std::simd::*;
fn main() {
unsafe {
let mut buf = [0u32; 5];
//~v ERROR: accessing memory with alignment
simd_masked_store::<_, _, _, { SimdAlign::Element }>(
i32x4::splat(-1),
// This is n... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/simd-float-to-int.rs | src/tools/miri/tests/fail/intrinsics/simd-float-to-int.rs | #![feature(portable_simd)]
use std::simd::prelude::*;
fn main() {
unsafe {
let _x: i32x2 = f32x2::from_array([f32::MAX, f32::MIN]).to_int_unchecked(); //~ERROR: cannot be represented in target type `i32`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_64_nan.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_64_nan.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f64, u32>(f64::NAN); //~ ERROR: cannot be represented in target type `u32`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/exact_div3.rs | src/tools/miri/tests/fail/intrinsics/exact_div3.rs | #![feature(core_intrinsics)]
fn main() {
// signed division with a remainder
unsafe { std::intrinsics::exact_div(-19i8, 2) }; //~ ERROR: -19_i8 cannot be divided by 2_i8 without remainder
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/simd_masked_store_vector_misaligned.rs | src/tools/miri/tests/fail/intrinsics/simd_masked_store_vector_misaligned.rs | #![feature(core_intrinsics, portable_simd)]
use std::intrinsics::simd::*;
use std::simd::*;
fn main() {
unsafe {
let mut buf = Simd::<i32, 8>::splat(0);
//~v ERROR: accessing memory with alignment
simd_masked_store::<_, _, _, { SimdAlign::Vector }>(
i32x4::splat(-1),
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/unchecked_shl2.rs | src/tools/miri/tests/fail/intrinsics/unchecked_shl2.rs | #![feature(core_intrinsics)]
use std::intrinsics;
fn main() {
unsafe {
let _n = intrinsics::unchecked_shl(1i8, -1);
//~^ ERROR: overflowing shift by -1 in `unchecked_shl`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/ptr_offset_out_of_bounds_neg.rs | src/tools/miri/tests/fail/intrinsics/ptr_offset_out_of_bounds_neg.rs | fn main() {
let v = [0i8; 4];
let x = &v as *const i8;
let x = unsafe { x.offset(-1) }; //~ERROR: is at the beginning of the allocation
panic!("this should never print: {:?}", x);
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_32_inf1.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_32_inf1.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f32, i32>(f32::INFINITY); //~ ERROR: cannot be represented in target type `i32`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/simd-funnel_shl-too-far.rs | src/tools/miri/tests/fail/intrinsics/simd-funnel_shl-too-far.rs | #![feature(core_intrinsics, portable_simd)]
use std::intrinsics::simd::simd_funnel_shl;
use std::simd::*;
fn main() {
unsafe {
let x = i32x2::from_array([1, 1]);
let y = i32x2::from_array([100, 0]);
simd_funnel_shl(x, x, y); //~ERROR: overflowing shift by 100 in `simd_funnel_shl` in lane 0... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/exact_div4.rs | src/tools/miri/tests/fail/intrinsics/exact_div4.rs | #![feature(core_intrinsics)]
fn main() {
// division of MIN by -1
unsafe { std::intrinsics::exact_div(i64::MIN, -1) }; //~ ERROR: overflow in signed remainder (dividing MIN by -1)
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/simd-funnel_shr-too-far.rs | src/tools/miri/tests/fail/intrinsics/simd-funnel_shr-too-far.rs | #![feature(core_intrinsics, portable_simd)]
use std::intrinsics::simd::simd_funnel_shr;
use std::simd::*;
fn main() {
unsafe {
let x = i32x2::from_array([1, 1]);
let y = i32x2::from_array([20, 40]);
simd_funnel_shr(x, x, y); //~ERROR: overflowing shift by 40 in `simd_funnel_shr` in lane 1
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_32_nanneg.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_32_nanneg.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f32, u32>(-f32::NAN); //~ ERROR: cannot be represented in target type `u32`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/intrinsic_target_feature.rs | src/tools/miri/tests/fail/intrinsics/intrinsic_target_feature.rs | // Ignore everything except x86 and x86_64
// Any new targets that are added to CI should be ignored here.
// We cannot use `cfg`-based tricks here since the output would be
// different for non-x86 targets.
//@only-target: x86_64 i686
// Explicitly disable SSE4.1 because it is enabled by default on macOS
//@compile-fl... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_small1.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_small1.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f64, i32>(-2147483649.0f64); //~ ERROR: cannot be represented in target type `i32`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/unchecked_shr.rs | src/tools/miri/tests/fail/intrinsics/unchecked_shr.rs | fn main() {
unsafe {
let _n = 1i64.unchecked_shr(64);
//~^ ERROR: overflowing shift by 64 in `unchecked_shr`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_big2.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_big2.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f64, i64>(9223372036854775808.0f64); //~ ERROR: cannot be represented in target type `i64`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/fast_math_both.rs | src/tools/miri/tests/fail/intrinsics/fast_math_both.rs | #![feature(core_intrinsics)]
fn main() {
unsafe {
let _x: f32 = core::intrinsics::fsub_fast(f32::NAN, f32::NAN); //~ ERROR: `fsub_fast` intrinsic called with non-finite value as both parameters
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/exact_div1.rs | src/tools/miri/tests/fail/intrinsics/exact_div1.rs | #![feature(core_intrinsics)]
fn main() {
// division by 0
unsafe { std::intrinsics::exact_div(2, 0) }; //~ ERROR: divisor of zero
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/unchecked_sub2.rs | src/tools/miri/tests/fail/intrinsics/unchecked_sub2.rs | fn main() {
// MAX overflow
let _val = unsafe { 30000i16.unchecked_sub(-7000) }; //~ ERROR: arithmetic overflow in `unchecked_sub`
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/fast_math_result.rs | src/tools/miri/tests/fail/intrinsics/fast_math_result.rs | #![feature(core_intrinsics)]
fn main() {
unsafe {
let _x: f32 = core::intrinsics::fdiv_fast(1.0, 0.0); //~ ERROR: `fdiv_fast` intrinsic produced non-finite value as result
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/simd-shl-too-far.rs | src/tools/miri/tests/fail/intrinsics/simd-shl-too-far.rs | #![feature(core_intrinsics, repr_simd)]
use std::intrinsics::simd::simd_shl;
#[repr(simd)]
#[allow(non_camel_case_types)]
struct i32x2([i32; 2]);
fn main() {
unsafe {
let x = i32x2([1, 1]);
let y = i32x2([100, 0]);
simd_shl(x, y); //~ERROR: overflowing shift by 100 in `simd_shl` in lane 0... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/ptr_offset_unsigned_overflow.rs | src/tools/miri/tests/fail/intrinsics/ptr_offset_unsigned_overflow.rs | fn main() {
let x = &[0i32; 2];
let x = x.as_ptr().wrapping_add(1);
// If `usize::MAX` is interpreted as `isize`, it is just `-1` and hence harmless.
let _ = unsafe { x.byte_offset(usize::MAX as isize) };
// However, `byte_add` uses unsigned arithmetic, so really this is `usize::MAX` and hence UB.
... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_small3.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_small3.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f64, i128>(-240282366920938463463374607431768211455.0f64); //~ ERROR: cannot be represented in target type `i128`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/unchecked_add2.rs | src/tools/miri/tests/fail/intrinsics/unchecked_add2.rs | fn main() {
// MIN overflow
let _val = unsafe { (-30000i16).unchecked_add(-8000) }; //~ ERROR: arithmetic overflow in `unchecked_add`
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_32_too_big1.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_32_too_big1.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f32, i32>(2147483648.0f32); //~ ERROR: cannot be represented in target type `i32`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_big1.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_big1.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f64, i32>(2147483648.0f64); //~ ERROR: cannot be represented in target type `i32`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/unchecked_add1.rs | src/tools/miri/tests/fail/intrinsics/unchecked_add1.rs | fn main() {
// MAX overflow
let _val = unsafe { 40000u16.unchecked_add(30000) }; //~ ERROR: arithmetic overflow in `unchecked_add`
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-array.rs | src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-array.rs | #![feature(core_intrinsics)]
#![feature(rustc_attrs)]
use std::intrinsics::typed_swap_nonoverlapping;
use std::ptr::addr_of_mut;
fn invalid_array() {
let mut a = [1_u8; 100];
let mut b = [2_u8; 100];
unsafe {
let a = addr_of_mut!(a).cast::<[bool; 100]>();
let b = addr_of_mut!(b).cast::<[bo... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/simd-extract.rs | src/tools/miri/tests/fail/intrinsics/simd-extract.rs | #![feature(portable_simd, core_intrinsics)]
use std::simd::*;
fn main() {
let v = i32x4::splat(0);
let _x: i32 = unsafe { std::intrinsics::simd::simd_extract(v, 4) };
//~^ERROR: index 4 is out-of-bounds
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/div-by-zero.rs | src/tools/miri/tests/fail/intrinsics/div-by-zero.rs | #![feature(core_intrinsics)]
use std::intrinsics::*;
fn main() {
unsafe {
let _n = unchecked_div(1i64, 0); //~ERROR: dividing by zero
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_32_too_big2.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_32_too_big2.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f32, u32>((u32::MAX - 127) as f32); //~ ERROR: cannot be represented in target type `u32`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/copy_unaligned.rs | src/tools/miri/tests/fail/intrinsics/copy_unaligned.rs | #![feature(core_intrinsics)]
fn main() {
let mut data = [0u16; 8];
let ptr = (&mut data[0] as *mut u16 as *mut u8).wrapping_add(1) as *mut u16;
// Even copying 0 elements to something unaligned should error
unsafe {
// Directly call intrinsic to avoid debug assertions in the `std::ptr` version.... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.rs | src/tools/miri/tests/fail/intrinsics/zero_fn_ptr.rs | #[allow(deprecated, invalid_value)]
fn main() {
let _ = unsafe { std::mem::zeroed::<fn()>() }; //~ERROR: constructing invalid value
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_big7.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_big7.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f64, i128>(f64::MIN); //~ ERROR: cannot be represented in target type `i128`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_32_neg.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_32_neg.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f32, u32>(-1.000000001f32); //~ ERROR: cannot be represented in target type `u32`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.rs | src/tools/miri/tests/fail/intrinsics/ptr_metadata_uninit_slice_data.rs | //@compile-flags: -Zmiri-disable-validation
//@ normalize-stderr-test: "(\n)ALLOC \(.*\) \{\n(.*\n)*\}(\n)" -> "${1}ALLOC DUMP${3}"
//@ normalize-stderr-test: "\[0x[0-9a-z]..0x[0-9a-z]\]" -> "[0xX..0xY]"
#![feature(core_intrinsics, custom_mir)]
use std::intrinsics::mir::*;
// This disables validation and uses custom ... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/copy_overflow.rs | src/tools/miri/tests/fail/intrinsics/copy_overflow.rs | use std::mem;
fn main() {
let x = 0;
let mut y = 0;
unsafe {
(&mut y as *mut i32).copy_from(&x, 1usize << (mem::size_of::<usize>() * 8 - 1));
//~^ERROR: overflow computing total size
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_64_infneg1.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_64_infneg1.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f64, u128>(f64::NEG_INFINITY); //~ ERROR: cannot be represented in target type `u128`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/ptr_offset_out_of_bounds_neg2.rs | src/tools/miri/tests/fail/intrinsics/ptr_offset_out_of_bounds_neg2.rs | fn main() {
let v = [0i8; 4];
let x = &v as *const i8;
let x = unsafe { x.wrapping_offset(-1).offset(-1) }; //~ERROR: before the beginning of the allocation
panic!("this should never print: {:?}", x);
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/rem-by-zero.rs | src/tools/miri/tests/fail/intrinsics/rem-by-zero.rs | #![feature(core_intrinsics)]
use std::intrinsics::*;
fn main() {
unsafe {
let _n = unchecked_rem(3u32, 0); //~ ERROR: calculating the remainder with a divisor of zero
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/simd-div-by-zero.rs | src/tools/miri/tests/fail/intrinsics/simd-div-by-zero.rs | #![feature(core_intrinsics, repr_simd)]
use std::intrinsics::simd::simd_div;
#[repr(simd)]
#[allow(non_camel_case_types)]
struct i32x2([i32; 2]);
fn main() {
unsafe {
let x = i32x2([1, 1]);
let y = i32x2([1, 0]);
simd_div(x, y); //~ERROR: Undefined Behavior: dividing by zero
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_32_infneg1.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_32_infneg1.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f32, i32>(f32::NEG_INFINITY); //~ ERROR: cannot be represented in target type `i32`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_64_neg.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_64_neg.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f64, u128>(-1.0000000000001f64); //~ ERROR: cannot be represented in target type `u128`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/funnel_shr.rs | src/tools/miri/tests/fail/intrinsics/funnel_shr.rs | #![feature(core_intrinsics, funnel_shifts)]
fn main() {
unsafe {
std::intrinsics::unchecked_funnel_shr(1_u32, 2, 32); //~ ERROR: Undefined Behavior
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/cttz_nonzero.rs | src/tools/miri/tests/fail/intrinsics/cttz_nonzero.rs | #![feature(core_intrinsics)]
fn main() {
unsafe {
use std::intrinsics::*;
cttz_nonzero(0u8); //~ ERROR: `cttz_nonzero` called on 0
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/ptr_offset_from_different_ints.rs | src/tools/miri/tests/fail/intrinsics/ptr_offset_from_different_ints.rs | use core::ptr;
fn main() {
unsafe {
let base = ptr::without_provenance::<()>(10);
let unit = &*base;
let p1 = unit as *const ();
let base = ptr::without_provenance::<()>(11);
let unit = &*base;
let p2 = unit as *const ();
// Seems to work because they are s... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.rs | src/tools/miri/tests/fail/intrinsics/uninit_uninhabited_type.rs | #![feature(never_type)]
#[allow(deprecated, invalid_value)]
fn main() {
let _ = unsafe { std::mem::uninitialized::<!>() }; //~ERROR: constructing invalid value
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/exact_div2.rs | src/tools/miri/tests/fail/intrinsics/exact_div2.rs | #![feature(core_intrinsics)]
fn main() {
// division with a remainder
unsafe { std::intrinsics::exact_div(2u16, 3) }; //~ ERROR: 2_u16 cannot be divided by 3_u16 without remainder
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/fast_math_first.rs | src/tools/miri/tests/fail/intrinsics/fast_math_first.rs | #![feature(core_intrinsics)]
fn main() {
unsafe {
let _x: f32 = core::intrinsics::frem_fast(f32::NAN, 3.2); //~ ERROR: `frem_fast` intrinsic called with non-finite value as first parameter
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/ptr_offset_out_of_bounds.rs | src/tools/miri/tests/fail/intrinsics/ptr_offset_out_of_bounds.rs | fn main() {
let v = [0i8; 4];
let x = &v as *const i8;
let x = unsafe { x.offset(5) }; //~ERROR: is only 4 bytes from the end of the allocation
panic!("this should never print: {:?}", x);
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_big3.rs | src/tools/miri/tests/fail/intrinsics/float_to_int_64_too_big3.rs | #![feature(core_intrinsics)]
// Directly call intrinsic to avoid debug assertions in libstd
use std::intrinsics::float_to_int_unchecked;
fn main() {
unsafe {
float_to_int_unchecked::<f64, u64>(18446744073709551616.0f64); //~ ERROR: cannot be represented in target type `u64`
}
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/unchecked_mul2.rs | src/tools/miri/tests/fail/intrinsics/unchecked_mul2.rs | fn main() {
// MIN overflow
let _val = unsafe { 1_000_000_000i32.unchecked_mul(-4) }; //~ ERROR: arithmetic overflow in `unchecked_mul`
}
| rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
rust-lang/rust | https://github.com/rust-lang/rust/blob/f8b1d59a81c700cb7aa25cf69e3032b3ce333150/src/tools/miri/tests/fail/intrinsics/simd_masked_load_vector_misaligned.rs | src/tools/miri/tests/fail/intrinsics/simd_masked_load_vector_misaligned.rs | #![feature(core_intrinsics, portable_simd)]
use std::intrinsics::simd::*;
use std::simd::*;
fn main() {
unsafe {
let buf = Simd::<i32, 8>::splat(0);
//~v ERROR: accessing memory with alignment
simd_masked_load::<_, _, _, { SimdAlign::Vector }>(
i32x4::splat(-1),
// ... | rust | Apache-2.0 | f8b1d59a81c700cb7aa25cf69e3032b3ce333150 | 2026-01-04T15:31:58.503980Z | false |
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