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go/test/fixedbugs/bug323.go

@@ -0,0 +1,20 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+type T struct{}
+type P *T
+
+func (t *T) Meth() {}
+func (t T) Meth2() {}
+
+func main() {
+	t := &T{}
+	p := P(t)
+	p.Meth()  // ERROR "undefined"
+	p.Meth2() // ERROR "undefined"
+}

go/test/fixedbugs/bug324.go

@@ -0,0 +1,10 @@
+// rundir
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Test case for issue 1550: a type cannot implement an interface
+// from another package with a private method, and type assertions
+// should fail.
+package ignored

go/test/fixedbugs/bug325.go

@@ -0,0 +1,15 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import "unsafe"
+
+func main() {
+	var x unsafe.Pointer
+	println(*x) // ERROR "invalid indirect.*unsafe.Pointer|cannot indirect"
+	var _ = (unsafe.Pointer)(nil).foo  // ERROR "foo"
+}

go/test/fixedbugs/bug326.go

@@ -0,0 +1,39 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package p
+
+func f() (_ int, err error) {
+	return
+}
+
+func g() (x int, _ error) {
+	return
+}
+
+func h() (_ int, _ error) {
+	return
+}
+
+func i() (int, error) {
+	return // ERROR "not enough return values|not enough arguments to return"
+}
+
+func f1() (_ int, err error) {
+	return 1, nil
+}
+
+func g1() (x int, _ error) {
+	return 1, nil
+}
+
+func h1() (_ int, _ error) {
+	return 1, nil
+}
+
+func ii() (int, error) {
+	return 1, nil
+}

go/test/fixedbugs/bug327.go

@@ -0,0 +1,24 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Conversion between identical interfaces.
+// Issue 1647.
+
+// The compiler used to not realize this was a no-op,
+// so it generated a call to the non-existent function runtime.convE2E.
+
+package main
+
+type (
+	a interface{}
+	b interface{}
+)
+
+func main() {
+	x := a(1)
+	z := b(x)
+	_ = z
+}

go/test/fixedbugs/bug328.go

@@ -0,0 +1,14 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import "unsafe"
+
+func main() {
+	var p unsafe.Pointer
+	println(p)
+}

go/test/fixedbugs/bug328.out

@@ -0,0 +1 @@
+0x0

go/test/fixedbugs/bug329.go

@@ -0,0 +1,46 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+type Value struct {
+	X interface{}
+	Y int
+}
+
+type Struct struct {
+	X complex128
+}
+
+const magic = 1 + 2i
+
+func (Value) Complex(x complex128) {
+	if x != magic {
+		println(x)
+		panic("bad complex magic")
+	}
+}
+
+func f(x *byte, y, z int) complex128 {
+	return magic
+}
+
+func (Value) Struct(x Struct) {
+	if x.X != magic {
+		println(x.X)
+		panic("bad struct magic")
+	}
+}
+
+func f1(x *byte, y, z int) Struct {
+	return Struct{magic}
+}
+
+func main() {
+	var v Value
+	v.Struct(f1(nil, 0, 0)) // ok
+	v.Complex(f(nil, 0, 0)) // used to fail
+}

go/test/fixedbugs/bug330.go

@@ -0,0 +1,13 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+func main() {
+	x := ""
+	x = +"hello"  // ERROR "invalid operation.*string|expected numeric"
+	x = +x  // ERROR "invalid operation.*string|expected numeric"
+}

go/test/fixedbugs/bug331.go

@@ -0,0 +1,36 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import "io"
+
+func f() (_ string, x float64, err error) {
+	return
+}
+
+func g() (_ string, x float64, err error) {
+	return "hello", 3.14, io.EOF
+}
+
+var _ func() (string, float64, error) = f
+var _ func() (string, float64, error) = g
+
+func main() {
+	x, y, z := g()
+	if x != "hello" || y != 3.14 || z != io.EOF {
+		println("wrong", x, len(x), y, z)
+	}
+}
+
+/*
+issue 1712
+
+bug331.go:12: cannot use "hello" (type string) as type float64 in assignment
+bug331.go:12: cannot use 0 (type float64) as type os.Error in assignment:
+	float64 does not implement os.Error (missing String method)
+bug331.go:12: error in shape across RETURN
+*/

go/test/fixedbugs/bug332.go

@@ -0,0 +1,17 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+// type T int
+
+func main() {}
+
+// issue 1474
+
+// important: no newline on end of next line.
+// 6g used to print <epoch> instead of bug332.go:111
+func (t *T) F() {} // ERROR "undefined.*T"

go/test/fixedbugs/bug333.go

@@ -0,0 +1,19 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1709
+
+package main
+
+func main() {
+       type Ts string
+       var ts Ts
+       _ = []byte(ts)
+}
+
+/*
+bug333.go:14: cannot use ts (type Ts) as type string in function argument
+*/

go/test/fixedbugs/bug334.go

@@ -0,0 +1,31 @@
+// compile
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1716
+
+package main
+
+type (
+	cplx64  complex64
+	cplx128 complex128
+)
+
+func (c cplx64) Foo()  {}
+func (c cplx128) Foo() {}
+
+func main() {
+	var c64 cplx128
+	var c128 cplx64
+	c64.Foo()
+	c128.Foo()
+}
+
+/*
+bug334.go:16: invalid receiver type cplx64
+bug334.go:17: invalid receiver type cplx128
+bug334.go:22: c64.Foo undefined (type cplx128 has no field or method Foo)
+bug334.go:23: c128.Foo undefined (type cplx64 has no field or method Foo)
+*/

go/test/fixedbugs/bug335.go

@@ -0,0 +1,9 @@
+// compiledir
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1705.
+
+package ignored

go/test/fixedbugs/bug336.go

@@ -0,0 +1,86 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+type T1 struct {
+	Next *T2
+}
+
+type T2 T1
+
+type T3 struct {
+	Next *T4
+}
+
+type T4 T5
+type T5 T6
+type T6 T7
+type T7 T8
+type T8 T9
+type T9 T3
+
+type T10 struct {
+	x struct {
+		y ***struct {
+			z *struct {
+				Next *T11
+			}
+		}
+	}
+}
+
+type T11 T10
+
+type T12 struct {
+	F1 *T15
+	F2 *T13
+	F3 *T16
+}
+
+type T13 T14
+type T14 T15
+type T15 T16
+type T16 T17
+type T17 T12
+
+// issue 1672
+type T18 *[10]T19
+type T19 T18
+
+func main() {
+	_ = &T1{&T2{}}
+	_ = &T2{&T2{}}
+	_ = &T3{&T4{}}
+	_ = &T4{&T4{}}
+	_ = &T5{&T4{}}
+	_ = &T6{&T4{}}
+	_ = &T7{&T4{}}
+	_ = &T8{&T4{}}
+	_ = &T9{&T4{}}
+	_ = &T12{&T15{}, &T13{}, &T16{}}
+
+	var (
+		tn    struct{ Next *T11 }
+		tz    struct{ z *struct{ Next *T11 } }
+		tpz   *struct{ z *struct{ Next *T11 } }
+		tppz  **struct{ z *struct{ Next *T11 } }
+		tpppz ***struct{ z *struct{ Next *T11 } }
+		ty    struct {
+			y ***struct{ z *struct{ Next *T11 } }
+		}
+	)
+	tn.Next = &T11{}
+	tz.z = &tn
+	tpz = &tz
+	tppz = &tpz
+	tpppz = &tppz
+	ty.y = tpppz
+	_ = &T10{ty}
+
+	t19s := &[10]T19{}
+	_ = T18(t19s)
+}

go/test/fixedbugs/bug337.go

@@ -0,0 +1,19 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1722.
+
+// Check that the error messages says 
+//	bug337.go:16: len("foo") not used
+// and not
+//	bug337.go:16: 3 not used
+
+package main
+
+func main() {
+	len("foo")	// ERROR "len|value computed is not used"
+}
+

go/test/fixedbugs/bug338.go

@@ -0,0 +1,22 @@
+// compile
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1787.
+
+package main
+
+import "unsafe"
+
+const x = unsafe.Sizeof([8]byte{})
+
+func main() {
+	var b [x]int
+	_ = b
+}
+
+/*
+bug338.go:14: array bound must be non-negative
+*/

go/test/fixedbugs/bug339.go

@@ -0,0 +1,20 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1608.
+// Size used to be -1000000000.
+
+package main
+
+import "unsafe"
+
+func main() {
+	var a interface{} = 0
+	size := unsafe.Sizeof(a)
+	if size != 2*unsafe.Sizeof((*int)(nil)) {
+		println("wrong size: ", size)
+	}
+}

go/test/fixedbugs/bug340.go

@@ -0,0 +1,18 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1606.
+
+package main
+
+func main() {
+	var x interface{}
+	switch t := x.(type) {
+	case 0:		// ERROR "type"
+		t.x = 1
+		x.x = 1 // ERROR "type interface \{\}|reference to undefined field or method|interface with no methods|undefined"
+	}
+}

go/test/fixedbugs/bug341.go

@@ -0,0 +1,22 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Used to panic because 8g was generating incorrect
+// code for converting a negative float to a uint64.
+
+package main
+
+func main() {
+	var x float32 = -2.5
+
+	_ = uint64(x)
+	_ = float32(0)
+}
+/*
+panic: runtime error: floating point error
+
+[signal 0x8 code=0x6 addr=0x8048c64 pc=0x8048c64]
+*/

go/test/fixedbugs/bug342.go

@@ -0,0 +1,20 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1871.
+
+package p
+
+type a interface {
+	foo(x int) (x int) // ERROR "duplicate argument|redefinition|redeclared"
+}
+
+/*
+Previously:
+
+bug.go:1 x redclared in this block
+    previous declaration at bug.go:1
+*/

go/test/fixedbugs/bug343.go

@@ -0,0 +1,33 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// issue 1900
+
+package main
+
+func getArgs(data map[string]interface{}, keys ...string) map[string]string {
+       ret := map[string]string{}
+       var ok bool
+       for _, k := range keys {
+               ret[k], ok = data[k].(string)
+               if !ok {}
+       }
+       return ret
+}
+
+func main() {
+	x := getArgs(map[string]interface{}{"x":"y"}, "x")
+	if x["x"] != "y" {
+		println("BUG bug343", x)
+	}
+}
+	
+
+/*
+typecheck [1008592b0]
+.   INDREG a(1) l(15) x(24) tc(2) runtime.ret G0 string
+bug343.go:15: internal compiler error: typecheck INDREG
+*/

go/test/fixedbugs/bug344.go

@@ -0,0 +1,24 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import "fmt"
+
+func main() {
+	// invalid use of goto.
+	// do whatever you like, just don't crash.
+	i := 42
+	a := []*int{&i, &i, &i, &i}
+	x := a[0]
+	goto start  // ERROR "jumps into block"
+	z := 1
+	_ = z
+	for _, x = range a {	// GCCGO_ERROR "block"
+	start:
+		fmt.Sprint(*x)
+	}
+}

go/test/fixedbugs/bug345.go

@@ -0,0 +1,7 @@
+// errorcheckdir
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package ignored

go/test/fixedbugs/bug346.go

@@ -0,0 +1,36 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import "os"
+
+func main() {
+	// Test unclosed closure.
+	{
+		x := 4
+		a, b, c, d := func(i int) (p int, q int, r int, s int) { return 1, i, 3, x }(2)
+
+		if a != 1 || b != 2 || c != 3 || d != 4 {
+			println("1# abcd: expected 1 2 3 4 got", a, b, c, d)
+			os.Exit(1)
+		}
+	}
+	// Test real closure.
+	{
+		x := 4
+		gf = func(i int) (p int, q int, r int, s int) { return 1, i, 3, x }
+
+		a, b, c, d := gf(2)
+
+		if a != 1 || b != 2 || c != 3 || d != 4 {
+			println("2# abcd: expected 1 2 3 4 got", a, b, c, d)
+			os.Exit(1)
+		}
+	}
+}
+
+var gf func(int) (int, int, int, int)

go/test/fixedbugs/bug347.go

@@ -0,0 +1,49 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"runtime"
+	"strings"
+)
+
+var t *struct {
+	c chan int
+}
+
+var c chan int
+
+func f() {
+	select {
+	case <-t.c:  // THIS IS LINE 22
+		break
+	case <-c:
+		break
+	}
+}
+
+func main() {
+	defer func() {
+		recover()
+		for i := 0;; i++ {
+			pc, file, line, ok := runtime.Caller(i)
+			if !ok {
+				print("BUG: bug347: cannot find caller\n")
+				return
+			}
+			if !strings.Contains(file, "bug347.go") || runtime.FuncForPC(pc).Name() != "main.f" {
+				// walk past runtime frames
+				continue
+			}
+			if line != 22 {
+				print("BUG: bug347: panic at ", file, ":", line, " in ", runtime.FuncForPC(pc).Name(), "\n")
+			}
+			return
+		}
+	}()
+	f()
+}

go/test/fixedbugs/bug348.go

@@ -0,0 +1,46 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"runtime"
+	"strings"
+)
+
+func f() {
+	var x *string
+	
+	for _, i := range *x {  // THIS IS LINE 17
+		println(i)
+	}
+}
+
+func g() {
+}
+
+func main() {
+	defer func() {
+		for i := 0;; i++ {
+			pc, file, line, ok := runtime.Caller(i)
+			if !ok {
+				print("BUG: bug348: cannot find caller\n")
+				return
+			}
+			if !strings.Contains(file, "bug348.go") || runtime.FuncForPC(pc).Name() != "main.f" {
+				// walk past runtime frames
+				continue
+			}
+			if line != 17 {
+				print("BUG: bug348: panic at ", file, ":", line, " in ", runtime.FuncForPC(pc).Name(), "\n")
+				return
+			}
+			recover()
+			return
+		}
+	}()
+	f()
+}

go/test/fixedbugs/bug349.go

@@ -0,0 +1,13 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// issue 1192 - detail in error
+
+package main
+
+func foo() (a, b, c int) {
+	return 0, 1 2.01  // ERROR "unexpected literal 2.01|expected ';' or '}' or newline|not enough arguments to return"
+}

go/test/fixedbugs/bug350.go

@@ -0,0 +1,15 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+type T int
+
+func (T) m() {} // GCCGO_ERROR "previous"
+func (T) m() {} // ERROR "T\.m already declared|redefinition"
+
+func (*T) p() {} // GCCGO_ERROR "previous"
+func (*T) p() {} // ERROR "T\.p already declared|redefinition"

go/test/fixedbugs/bug351.go

@@ -0,0 +1,13 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+var x int
+
+func main() {
+	(x) := 0  // ERROR "non-name [(]x[)]|non-name on left side"
+}

go/test/fixedbugs/bug352.go

@@ -0,0 +1,19 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+var x [10][0]byte
+var y = make([]struct{}, 10)
+
+func main() {
+	if &x[1] != &x[2] {
+		println("BUG: bug352 [0]byte")
+	}
+	if &y[1] != &y[2] {
+		println("BUG: bug352 struct{}")
+	}
+}

go/test/fixedbugs/bug353.go

@@ -0,0 +1,30 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// issue 2089 - internal compiler error
+
+package main
+
+import (
+	"io"
+	"os"
+)
+
+func echo(fd io.ReadWriterCloser) { // ERROR "undefined.*io.ReadWriterCloser"
+	var buf [1024]byte
+	for {
+		n, err := fd.Read(buf)
+		if err != nil {
+			break
+		}
+		fd.Write(buf[0:n])
+	}
+}
+
+func main() {
+	fd, _ := os.Open("a.txt")
+	echo(fd)
+}

go/test/fixedbugs/bug354.go

@@ -0,0 +1,22 @@
+// compile
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// issue 2086
+// was calling makeclosure twice on the closure
+
+package bug354
+
+type Inner struct {
+	F func() error
+}
+
+type Outer struct {
+	Inners []Inner
+}
+
+// calls makeclosure twice on same closure
+
+var Foo = Outer{[]Inner{Inner{func() error { return nil }}}}

go/test/fixedbugs/bug355.go

@@ -0,0 +1,18 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+var f = func() int {
+	type S int
+	return 42
+}
+
+func main() {
+	if f() != 42 {
+		panic("BUG: bug355")
+	}
+}

go/test/fixedbugs/bug356.go

@@ -0,0 +1,41 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// issue 1808
+
+package main
+
+func main() {
+	var i uint64
+	var x int = 12345
+
+	if y := x << (i&5); y != 12345<<0 {
+		println("BUG bug344", y)
+		return
+	}
+	
+	i++
+	if y := x << (i&5); y != 12345<<1 {
+		println("BUG bug344a", y)
+	}
+	
+	i = 70
+	if y := x << i; y != 0 {
+		println("BUG bug344b", y)
+	}
+	
+	i = 1<<32
+	if y := x << i; y != 0 {
+		println("BUG bug344c", y)
+	}
+}
+	
+
+/*
+typecheck [1008592b0]
+.   INDREG a(1) l(15) x(24) tc(2) runtime.ret G0 string
+bug343.go:15: internal compiler error: typecheck INDREG
+*/

go/test/fixedbugs/bug357.go

@@ -0,0 +1,26 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// issue 1993.
+// error used to have last line number in file
+
+package main
+
+func bla1() bool {
+	return false
+}
+
+func bla5() bool {
+	_ = 1
+	false  // ERROR "false evaluated but not used|value computed is not used|is not used"
+	_ = 2
+	return false
+}
+
+func main() {
+	x := bla1()
+	_ = x
+}

go/test/fixedbugs/bug358.go

@@ -0,0 +1,27 @@
+// errorcheck -d=panic
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// issue 1979
+// used to get internal compiler error too
+
+package main
+
+import (
+	// avoid imported and not used errors
+	// "io/ioutil"
+	"net/http"
+	// "os"
+)
+
+func makeHandler(fn func(http.ResponseWriter, *http.Request, string)) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request)  // ERROR "syntax error|not an expression|invalid use of type"
+}
+
+type Page struct {
+	Title string
+	Body []byte
+}
+

go/test/fixedbugs/bug361.go

@@ -0,0 +1,15 @@
+// compile
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// issue 1908
+// unreasonable width used to be internal fatal error
+
+package test
+
+func main() {
+	buf := [1<<30]byte{}
+	_ = buf[:]
+}

go/test/fixedbugs/bug362.go

@@ -0,0 +1,16 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// issue 1662
+// iota inside var
+
+package main
+
+var (
+	a = iota  // ERROR "undefined: iota|iota is only defined in const|cannot use iota outside constant declaration"
+	b = iota  // ERROR "undefined: iota|iota is only defined in const|cannot use iota outside constant declaration"
+	c = iota  // ERROR "undefined: iota|iota is only defined in const|cannot use iota outside constant declaration"
+)

go/test/fixedbugs/bug363.go

@@ -0,0 +1,21 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// issue 1664
+
+package main
+
+func main() {
+	var i uint = 33
+	var a = (1<<i) + 4.5  // ERROR "shift of type float64|invalid.*shift"
+	println(a)
+	
+	var b = (1<<i) + 4.0  // ERROR "shift of type float64|invalid.*shift"
+	println(b)
+
+	var c int64 = (1<<i) + 4.0  // ok - it's all int64
+	println(c)
+}

go/test/fixedbugs/bug364.go

@@ -0,0 +1,31 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import "fmt"
+
+var s string
+
+func accum(args ...interface{}) {
+	s += fmt.Sprintln(args...)
+}
+
+func f(){
+	v := 0.0
+	for i := 0; i < 3; i++ {
+		v += 0.1
+		defer accum(v)
+	}
+}
+
+func main() {
+	f()
+	if s != "0.30000000000000004\n0.2\n0.1\n" {
+		println("BUG: defer")
+		print(s)
+	}
+}

go/test/fixedbugs/bug365.go

@@ -0,0 +1,22 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// check that compiler doesn't stop reading struct def
+// after first unknown type.
+
+// Fixes issue 2110.
+
+package main
+
+type S struct {
+	err foo.Bar // ERROR "undefined|expected package"
+	Num int
+}
+
+func main() {
+	s := S{}
+	_ = s.Num // no error here please
+}

go/test/fixedbugs/bug366.go

@@ -0,0 +1,37 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 2206.  Incorrect sign extension of div arguments.
+
+package main
+
+func five(x int64) {
+	if x != 5 {
+		panic(x)
+	}
+}
+
+func main() {
+       // 5
+       five(int64(5 / (5 / 3)))
+
+       // 5
+       five(int64(byte(5) / (byte(5) / byte(3))))
+
+       // 5
+       var a, b byte = 5, 3
+       five(int64(a / (a / b)))
+       
+       // integer divide by zero in golang.org sandbox
+       // 0 on windows/amd64
+       x := [3]byte{2, 3, 5}
+       five(int64(x[2] / (x[2] / x[1])))
+
+       // integer divide by zero in golang.org sandbox
+       // crash on windows/amd64
+       y := x[1:3]
+       five(int64(y[1] / (y[1] / y[0])))
+}

go/test/fixedbugs/bug367.go

@@ -0,0 +1,10 @@
+// rundir
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 1536: bug when handling imported interfaces with
+// private methods.
+
+package ignored

go/test/fixedbugs/bug368.go

@@ -0,0 +1,26 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+// 5g bug used to set up the 0 for -f() before calling f,
+// and the call to f smashed the register.
+
+func f(n int) int {
+	s := 0
+	for i := 0; i < n; i++ {
+		s += i>>1
+	}
+	return s
+}
+
+func main() {
+	x := -f(100)
+	if x != -2450 {
+		println(x)
+		panic("broken")
+	}
+}

go/test/fixedbugs/bug369.go

@@ -0,0 +1,62 @@
+// run
+
+//go:build !nacl && !js && !wasip1 && gc
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Test that compiling with optimization turned on produces faster code.
+
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+)
+
+func main() {
+	err := os.Chdir(filepath.Join(".", "fixedbugs", "bug369.dir"))
+	check(err)
+
+	tmpDir, err := ioutil.TempDir("", "bug369")
+	check(err)
+	defer os.RemoveAll(tmpDir)
+
+	tmp := func(name string) string {
+		return filepath.Join(tmpDir, name)
+	}
+
+	check(os.Mkdir(tmp("test"), 0777))
+
+	stdlibimportcfg, err := os.ReadFile(os.Getenv("STDLIB_IMPORTCFG"))
+	check(err)
+	importcfg := string(stdlibimportcfg) + "\npackagefile test/slow=" + tmp("test/slow.o") + "\npackagefile test/fast=" + tmp("test/fast.o")
+	os.WriteFile(tmp("importcfg"), []byte(importcfg), 0644)
+
+	run("go", "tool", "compile", "-importcfg="+tmp("importcfg"), "-p=test/slow", "-N", "-o", tmp("test/slow.o"), "pkg.go")
+	run("go", "tool", "compile", "-importcfg="+tmp("importcfg"), "-p=test/fast", "-o", tmp("test/fast.o"), "pkg.go")
+	run("go", "tool", "compile", "-importcfg="+tmp("importcfg"), "-p=main", "-D", "test", "-o", tmp("main.o"), "main.go")
+	run("go", "tool", "link", "-importcfg="+tmp("importcfg"), "-o", tmp("a.exe"), tmp("main.o"))
+	run(tmp("a.exe"))
+}
+
+func run(name string, args ...string) {
+	cmd := exec.Command(name, args...)
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		fmt.Println(string(out))
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
+
+func check(err error) {
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}

go/test/fixedbugs/bug370.go

@@ -0,0 +1,18 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+// issue 2337
+// The program deadlocked.
+
+import "runtime"
+
+func main() {
+	runtime.GOMAXPROCS(2)
+	runtime.GC()
+	runtime.GOMAXPROCS(1)
+}

go/test/fixedbugs/bug371.go

@@ -0,0 +1,24 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// issue 2343
+
+package main
+
+type T struct{}
+
+func (t *T) pm() {}
+func (t T) m()   {}
+
+func main() {
+	p := &T{}
+	p.pm()
+	p.m()
+
+	q := &p
+	q.m()  // ERROR "requires explicit dereference|undefined"
+	q.pm() // ERROR "requires explicit dereference|undefined"
+}

go/test/fixedbugs/bug372.go

@@ -0,0 +1,28 @@
+// run
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 2355
+package main
+
+type T struct {}
+func (T) m() string { return "T" }
+
+type TT struct {
+	T
+	m func() string
+}
+
+
+func ff() string { return "ff" }
+
+func main() {
+	var tt TT
+	tt.m = ff
+
+	if tt.m() != "ff" {
+		println(tt.m(), "!= \"ff\"")
+	}
+}

go/test/fixedbugs/bug373.go

@@ -0,0 +1,32 @@
+// errorcheck
+
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 873, 2162
+
+package foo
+
+func f(x interface{}) {
+	switch t := x.(type) {  // ERROR "declared and not used"
+	case int:
+	}
+}
+
+func g(x interface{}) {
+	switch t := x.(type) {
+	case int:
+	case float32:
+		println(t)
+	}
+}
+
+func h(x interface{}) {
+	switch t := x.(type) {
+	case int:
+	case float32:
+	default:
+		println(t)
+	}
+}