Initial commit: Go 1.23 release state

test/fixedbugs/bug000.go

@@ -0,0 +1,20 @@
+// run
+
+// Copyright 2009 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() {
+	var x int;
+	switch x {
+	case 0:
+		{}
+	case 1:
+		x = 0;
+	}
+}
+/*
+bug0.go:8: case statement out of place
+*/

test/fixedbugs/bug002.go

@@ -0,0 +1,11 @@
+// run
+
+// Copyright 2009 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() {
+	if ; false {}  // compiles; should be an error (should be simplevardecl before ;)
+}

test/fixedbugs/bug003.go

@@ -0,0 +1,14 @@
+// run
+
+// Copyright 2009 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() {
+	switch ; { case true: return; default: return }
+}
+/*
+bug003.go:6: fatal error: walkswitch: not case EMPTY
+*/

test/fixedbugs/bug004.go

@@ -0,0 +1,11 @@
+// run
+
+// Copyright 2009 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() {
+	switch ; { case false: return; }  // compiles; should be an error (should be simplevardecl before ;)
+}

test/fixedbugs/bug005.go

@@ -0,0 +1,18 @@
+// run
+
+// Copyright 2009 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() {
+	Foo: {
+		return;
+	}
+	goto Foo;
+}
+/*
+bug5.go:4: Foo undefined
+bug5.go:4: fatal error: walktype: switch 1 unknown op GOTO l(4)
+*/

test/fixedbugs/bug006.go

@@ -0,0 +1,24 @@
+// run
+
+// Copyright 2009 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"
+
+const (
+	x float64 = iota
+	g float64 = 4.5 * iota
+)
+
+func main() {
+	if g == 0.0 {
+		print("zero\n")
+	}
+	if g != 4.5 {
+		print(" fail\n")
+		os.Exit(1)
+	}
+}

test/fixedbugs/bug007.go

@@ -0,0 +1,24 @@
+// run
+
+// Copyright 2009 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 (
+	Point struct {
+		x, y float64
+	}
+	Polar Point
+)
+
+func main() {
+}
+
+/*
+bug7.go:5: addtyp: renaming Point to Polar
+main.go.c:14: error: redefinition of typedef ‘_T_2’
+main.go.c:13: error: previous declaration of ‘_T_2’ was here
+main.go.c:16: error: redefinition of ‘struct _T_2’
+*/

test/fixedbugs/bug008.go

@@ -0,0 +1,20 @@
+// run
+
+// Copyright 2009 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() {
+	i5 := 5;
+
+	switch {  // compiler crash fixable with 'switch true'
+	case i5 < 5: dummy := 0; _ = dummy;
+	case i5 == 5: dummy := 0; _ = dummy;
+	case i5 > 5: dummy := 0; _ = dummy;
+	}
+}
+/*
+Segmentation fault
+*/

test/fixedbugs/bug009.go

@@ -0,0 +1,16 @@
+// run
+
+// Copyright 2009 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() {
+	fired := false; _ = fired;
+}
+/*
+bug9.go:5: defaultlit: unknown literal: LITERAL-B0 a(1)
+bug9.go:5: fatal error: addvar: n=NAME-fired G0 a(1) l(5) t=<N> nil
+*/

test/fixedbugs/bug010.go

@@ -0,0 +1,24 @@
+// run
+
+// Copyright 2009 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 f(i int, f float64) {
+	i = 8
+	f = 8.0
+	return
+}
+
+func main() {
+	f(3, float64(5))
+}
+
+/*
+bug10.go:5: i undefined
+bug10.go:6: illegal conversion of constant to 020({},<_o001>{<i><int32>INT32;<f><float32>FLOAT32;},{})
+bug10.go:7: error in shape across assignment
+*/

test/fixedbugs/bug011.go

@@ -0,0 +1,27 @@
+// run
+
+// Copyright 2009 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 {
+	x, y int
+}
+
+func (t *T) m(a int, b float64) int {
+	return (t.x + a) * (t.y + int(b))
+}
+
+func main() {
+	var t *T = new(T)
+	t.x = 1
+	t.y = 2
+	r10 := t.m(1, 3.0)
+	_ = r10
+}
+/*
+bug11.go:16: fatal error: walktype: switch 1 unknown op CALLMETH l(16) <int32>INT32
+*/

test/fixedbugs/bug012.go

@@ -0,0 +1,26 @@
+// run
+
+// Copyright 2009 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() {
+	var u30 uint64 = 0;
+	var u31 uint64 = 1;
+	_, _ = u30, u31;
+	var u32 uint64 = 18446744073709551615;
+	var u33 uint64 = +18446744073709551615;
+	if u32 != (1<<64)-1 { panic("u32\n"); }
+	if u33 != (1<<64)-1 { panic("u33\n"); }
+	var i34 int64 = ^0;  // note: 2's complement means ^0 == -1
+	if i34 != -1 { panic("i34") }
+}
+/*
+bug12.go:5: overflow converting constant to <uint64>UINT64
+bug12.go:6: overflow converting constant to <uint64>UINT64
+bug12.go:7: overflow converting constant to <uint64>UINT64
+bug12.go:8: overflow converting constant to <uint64>UINT64
+*/

test/fixedbugs/bug013.go

@@ -0,0 +1,20 @@
+// run
+
+// Copyright 2009 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() {
+	var cu0 uint16 = '\u1234';
+	var cU1 uint32 = '\U00101234';
+	_, _ = cu0, cU1;
+}
+/*
+bug13.go:4: missing '
+bug13.go:4: syntax error
+bug13.go:5: newline in string
+bug13.go:5: missing '
+bug13.go:6: newline in string
+*/

test/fixedbugs/bug014.go

@@ -0,0 +1,15 @@
+// errorcheck
+
+// Copyright 2009 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() {
+	var c00 uint8 = '\0';  // ERROR "oct|char"
+	var c01 uint8 = '\07';  // ERROR "oct|char"
+	var cx0 uint8 = '\x0';  // ERROR "hex|char"
+	var cx1 uint8 = '\x';  // ERROR "hex|char"
+	_, _, _, _ = c00, c01, cx0, cx1
+}

test/fixedbugs/bug015.go

@@ -0,0 +1,13 @@
+// errorcheck
+
+// Copyright 2009 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() {
+	var i33 int64;
+	if i33 == (1<<64) -1 {  // ERROR "overflow"
+	}
+}

test/fixedbugs/bug016.go

@@ -0,0 +1,18 @@
+// errorcheck
+
+// Copyright 2009 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() {
+	var i int = 100
+	i = i << -3 // ERROR "overflows|negative"
+}
+
+/*
+ixedbugs/bug016.go:7: overflow converting constant to <uint32>UINT32
+fixedbugs/bug016.go:7: illegal types for operand: AS
+	(<int32>INT32)
+*/

test/fixedbugs/bug017.go

@@ -0,0 +1,25 @@
+// run
+
+// Copyright 2009 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() {
+	var s2 string = "\a\b\f\n\r\t\v";  // \r is miscompiled
+	_ = s2;
+}
+/*
+main.go.c: In function ‘main_main’:
+main.go.c:20: error: missing terminating " character
+main.go.c:21: error: missing terminating " character
+main.go.c:24: error: ‘def’ undeclared (first use in this function)
+main.go.c:24: error: (Each undeclared identifier is reported only once
+main.go.c:24: error: for each function it appears in.)
+main.go.c:24: error: syntax error before ‘def’
+main.go.c:24: error: missing terminating " character
+main.go.c:25: warning: excess elements in struct initializer
+main.go.c:25: warning: (near initialization for ‘slit’)
+main.go.c:36: error: syntax error at end of input
+*/

test/fixedbugs/bug020.go

@@ -0,0 +1,22 @@
+// compile
+
+// Copyright 2009 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 digits string;
+
+func putint(buf []byte, i, base, val int, digits string) {
+		buf[i] = digits[val];
+}
+
+func main() {
+}
+
+/*
+uetli:~/Source/go1/test gri$ 6g bugs/bug020.go
+bugs/bug020.go:7: type of a structure field cannot be an open array
+bugs/bug020.go:7: fatal error: width of a dynamic array
+*/

test/fixedbugs/bug021.go

@@ -0,0 +1,13 @@
+// run
+
+// Copyright 2009 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() {
+	s1 := "hi";
+	s2 := "ho";
+	s1 += s2;
+}

test/fixedbugs/bug022.go

@@ -0,0 +1,26 @@
+// errorcheck
+
+// Copyright 2009 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 putint(digits *string) {
+	var i byte;
+	i = (*digits)[7];  // compiles
+	i = digits[7];  // ERROR "illegal|is not|invalid"
+	_ = i;
+}
+
+func main() {
+	s := "asdfasdfasdfasdf";
+	putint(&s);
+}
+
+/*
+bug022.go:8: illegal types for operand
+	(*<string>*STRING) INDEXPTR (<int32>INT32)
+bug022.go:8: illegal types for operand
+	(<uint8>UINT8) AS
+*/

test/fixedbugs/bug023.go

@@ -0,0 +1,30 @@
+// run
+
+// Copyright 2009 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 Type interface {
+	TypeName() string;
+}
+
+type TInt struct {
+}
+
+// TInt
+func (i *TInt) TypeName() string {
+	return "int";
+}
+
+
+func main() {
+	var t Type;
+	t = nil;
+	_ = t;
+}
+
+/*
+bug023.go:20: fatal error: naddr: const <Type>I{<TypeName>110(<_t117>{},<_o119>{},{});}
+*/

test/fixedbugs/bug024.go

@@ -0,0 +1,21 @@
+// run
+
+// Copyright 2009 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() {
+	var i int;
+	i = '\'';
+	i = '\\';
+	var s string;
+	s = "\"";
+	_, _ = i, s;
+}
+/*
+bug.go:5: unknown escape sequence: '
+bug.go:6: unknown escape sequence: \
+bug.go:8: unknown escape sequence: "
+*/

test/fixedbugs/bug026.go

@@ -0,0 +1,26 @@
+// run
+
+// Copyright 2009 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 Element interface {
+}
+
+type Vector struct {
+}
+
+func (v *Vector) Insert(i int, e Element) {
+}
+
+
+func main() {
+	type I struct { val int; };  // BUG: can't be local; works if global
+	v := new(Vector);
+	v.Insert(0, new(I));
+}
+/*
+check: main_sigs_I: not defined
+*/

test/fixedbugs/bug027.go

@@ -0,0 +1,84 @@
+// run
+
+// Copyright 2009 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"
+
+type Element interface {
+}
+
+type Vector struct {
+	nelem int
+	elem  []Element
+}
+
+func New() *Vector {
+	v := new(Vector)
+	v.nelem = 0
+	v.elem = make([]Element, 10)
+	return v
+}
+
+func (v *Vector) At(i int) Element {
+	return v.elem[i]
+}
+
+func (v *Vector) Insert(e Element) {
+	v.elem[v.nelem] = e
+	v.nelem++
+}
+
+func main() {
+	type I struct{ val int }
+	i0 := new(I)
+	i0.val = 0
+	i1 := new(I)
+	i1.val = 11
+	i2 := new(I)
+	i2.val = 222
+	i3 := new(I)
+	i3.val = 3333
+	i4 := new(I)
+	i4.val = 44444
+	v := New()
+	r := "hi\n"
+	v.Insert(i4)
+	v.Insert(i3)
+	v.Insert(i2)
+	v.Insert(i1)
+	v.Insert(i0)
+	for i := 0; i < v.nelem; i++ {
+		var x *I
+		x = v.At(i).(*I)
+		r += fmt.Sprintln(i, x.val) // prints correct list
+	}
+	for i := 0; i < v.nelem; i++ {
+		r += fmt.Sprintln(i, v.At(i).(*I).val)
+	}
+	expect := `hi
+0 44444
+1 3333
+2 222
+3 11
+4 0
+0 44444
+1 3333
+2 222
+3 11
+4 0
+`
+	if r != expect {
+		panic(r)
+	}
+}
+
+/*
+bug027.go:50: illegal types for operand
+	(<Element>I{}) CONV (<I>{})
+bug027.go:50: illegal types for operand
+	(<Element>I{}) CONV (<I>{})
+*/

test/fixedbugs/bug028.go

@@ -0,0 +1,29 @@
+// run
+
+// Copyright 2009 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 Alloc(i int) int {
+	switch i {
+	default:
+		return 5;
+	case 1:
+		return 1;
+	case 10:
+		return 10;
+	}
+	return 0
+}
+
+func main() {
+	s := Alloc(7);
+	if s != 5 { panic("bad") }
+}
+
+/*
+bug028.go:7: unreachable statements in a switch
+*/

test/fixedbugs/bug030.go

@@ -0,0 +1,13 @@
+// errorcheck
+
+// Copyright 2009 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() {
+	var x int;
+	x := 0; // ERROR "declar|:="
+	_ = x;
+}

test/fixedbugs/bug031.go

@@ -0,0 +1,29 @@
+// run
+
+// Copyright 2009 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() {
+prog := "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+
+"xxxxxxxxxx"+
+"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+
+"xxxxxxxxxxxxxxxxxxxxxx"+
+"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+
+"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+
+"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+
+"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+
+"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+
+"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"+
+"xxxxxxxxxxxxxxxxxxx"+
+"xxxxxx"+
+"xxxxxxxxxxxxxxxxxxxx"+
+"xxxxxxxx"+
+"xxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
+;
+_ = prog;
+}
+
+/* Segmentation fault */

test/fixedbugs/bug035.go

@@ -0,0 +1,13 @@
+// errorcheck
+
+// Copyright 2009 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 f9(a int) (i int, f float64) {
+	i := 9          // ERROR "redecl|no new"
+	f := float64(9) // ERROR "redecl|no new"
+	return i, f
+}

test/fixedbugs/bug037.go

@@ -0,0 +1,12 @@
+// errorcheck
+
+// Copyright 2009 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() {
+	s := vlong(0);  // ERROR "undef"
+	_ = s
+}

test/fixedbugs/bug039.go

@@ -0,0 +1,11 @@
+// errorcheck
+
+// Copyright 2009 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 f (x int) {	// GCCGO_ERROR "previous"
+	var x int;	// ERROR "redecl|redefinition"
+}

test/fixedbugs/bug040.go

@@ -0,0 +1,11 @@
+// errorcheck
+
+// Copyright 2009 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 f (x,		// GCCGO_ERROR "previous"
+	x int) {	// ERROR "duplicate argument|redefinition|redeclared"
+}

test/fixedbugs/bug045.go

@@ -0,0 +1,21 @@
+// run
+
+// Copyright 2009 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 {
+	i int
+}
+
+func main() {
+	var ta []*T;
+
+	ta = new([1]*T)[0:];
+	ta[0] = nil;
+}
+/*
+bug045.go:13: fatal error: goc: exit 1
+*/

test/fixedbugs/bug046.go

@@ -0,0 +1,15 @@
+// errorcheck
+
+// Copyright 2009 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 {}
+
+func (x T) M () {}  // ERROR "pointer|receiver"
+
+/*
+bug046.go:7: illegal <this> pointer
+*/

test/fixedbugs/bug047.go

@@ -0,0 +1,23 @@
+// run
+
+// Copyright 2009 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() {
+
+	type T struct {
+		s string
+		f float64
+	}
+	var s string = "hello"
+	var f float64 = 0.2
+	t := T{s, f}
+
+	type M map[int]int
+	m0 := M{7: 8}
+
+	_, _ = t, m0
+}

test/fixedbugs/bug048.go

@@ -0,0 +1,13 @@
+// run
+
+// Copyright 2009 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() {
+	type M map[int] int;
+	m1 := M{7 : 8};
+	_ = m1;
+}

test/fixedbugs/bug049.go

@@ -0,0 +1,19 @@
+// errorcheck
+
+// Copyright 2009 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 atom(s string) {
+	if s == nil {	// ERROR "nil|incompatible"
+		return;
+	}
+}
+
+func main() {}
+
+/*
+bug047.go:4: fatal error: stringpool: not string
+*/

test/fixedbugs/bug050.go

@@ -0,0 +1,8 @@
+// errorcheck -d=panic
+
+// Copyright 2009 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.
+
+func main() {	// ERROR "package"
+}

test/fixedbugs/bug051.go

@@ -0,0 +1,15 @@
+// errorcheck
+
+// Copyright 2009 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 f() int {
+	return 0;
+}
+
+func main() {
+	const n = f();	// ERROR "const"
+}

test/fixedbugs/bug052.go

@@ -0,0 +1,20 @@
+// run
+
+// Copyright 2009 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() {
+	c := 10;
+	d := 7;
+	var x [10]int;
+	i := 0;
+	/* this works:
+	q := c/d;
+	x[i] = q;
+	*/
+	// this doesn't:
+	x[i] = c/d;	// BUG segmentation fault
+}

test/fixedbugs/bug053.go

@@ -0,0 +1,12 @@
+// run
+
+// Copyright 2009 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() {
+	var len int;	// len should not be a keyword - this doesn't compile
+	_ = len;
+}

test/fixedbugs/bug054.go

@@ -0,0 +1,41 @@
+// run
+
+// Copyright 2009 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 Element interface {
+}
+
+type Vector struct {
+	elem []Element;
+}
+
+func (v *Vector) At(i int) Element {
+	return v.elem[i];
+}
+
+type TStruct struct {
+	name string;
+	fields *Vector;
+}
+
+func (s *TStruct) field(i int) *TStruct {
+	return s.fields.At(i).(*TStruct);
+}
+
+func main() {
+	v := new(Vector);
+	v.elem = make([]Element, 10);
+	t := new(TStruct);
+	t.name = "hi";
+	v.elem[0] = t;
+	s := new(TStruct);
+	s.name = "foo";
+	s.fields = v;
+	if s.field(0).name != "hi" {
+		panic("bad name")
+	}
+}

test/fixedbugs/bug055.go

@@ -0,0 +1,27 @@
+// run
+
+// Copyright 2009 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() {
+	var i int
+	var j int
+	if true {
+	}
+	{
+		return
+	}
+	i = 0
+	if true {
+	} else {
+		i++
+	}
+	type s struct{}
+	i = 0
+	type s2 int
+	var k = func(a int) int { return a + 1 }(3)
+	_, _ = j, k
+}

test/fixedbugs/bug056.go

@@ -0,0 +1,22 @@
+// run
+
+// Copyright 2009 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 frexp() (a int, b float64) {
+	return 1, 2.0
+}
+
+func main() {
+	a, b := frexp();
+	_, _ = a, b;
+}
+
+/*
+bug056.go:8: illegal types for operand: AS
+	(<int32>INT32)
+	(<int32>INT32)
+*/

test/fixedbugs/bug057.go

@@ -0,0 +1,25 @@
+// compile
+
+// Copyright 2009 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 {
+	s string;
+}
+
+
+func main() {
+	s := "";
+	l1 := len(s);
+	var t T;
+	l2 := len(t.s);	// BUG: cannot take len() of a string field
+	_, _ = l1, l2;
+}
+
+/*
+uetli:/home/gri/go/test/bugs gri$ 6g bug057.go
+bug057.go:14: syntax error
+*/

test/fixedbugs/bug058.go

@@ -0,0 +1,23 @@
+// run
+
+// Copyright 2009 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 Box struct {};
+var m map[string] *Box;
+
+func main() {
+	m := make(map[string] *Box);
+	s := "foo";
+	var x *Box = nil;
+	m[s] = x;
+}
+
+/*
+bug058.go:9: illegal types for operand: INDEX
+	(MAP[<string>*STRING]*<Box>{})
+	(<string>*STRING)
+*/

test/fixedbugs/bug059.go

@@ -0,0 +1,36 @@
+// run
+
+// Copyright 2009 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 P(a []string) string {
+	s := "{";
+	for i := 0; i < 2; i++ {
+		if i > 0 {
+			s += ","
+		}
+		s += `"` + a[i] + `"`;
+	}
+	s +="}";
+	return s;
+}
+
+func main() {
+	m := make(map[string] []string);
+	as := new([2]string);
+	as[0] = "0";
+	as[1] = "1";
+	m["0"] = as[0:];
+
+	a := m["0"];
+	a[0] = "x";
+	m["0"][0] = "deleted";
+	if m["0"][0] != "deleted" {
+		os.Exit(1);
+	}
+}

test/fixedbugs/bug060.go

@@ -0,0 +1,19 @@
+// run
+
+// Copyright 2009 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() {
+	m := make(map[int]int);
+	m[0] = 0;
+	m[0]++;
+	if m[0] != 1 {
+		print("map does not increment\n");
+		os.Exit(1)
+	}
+}

test/fixedbugs/bug061.go

@@ -0,0 +1,18 @@
+// run
+
+// Copyright 2009 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() {
+	var s string;
+	s = "0000000000000000000000000000000000000000000000000000000000"[0:7];
+	_ = s;
+}
+
+/*
+uetli:~/Source/go1/test/bugs gri$ 6g bug061.go
+Bus error
+*/

test/fixedbugs/bug062.go

@@ -0,0 +1,11 @@
+// errorcheck
+
+// Copyright 2009 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() {
+	var _ string = nil // ERROR "illegal|invalid|incompatible|cannot"
+}

test/fixedbugs/bug063.go

@@ -0,0 +1,8 @@
+// compile
+
+// Copyright 2009 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 bug063
+const c = 0 ^ 0

test/fixedbugs/bug064.go

@@ -0,0 +1,22 @@
+// compile
+
+// Copyright 2009 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
+swap(x, y int) (u, v int) {
+	return y, x
+}
+
+func
+main() {
+	a := 1;
+	b := 2;
+	a, b = swap(swap(a, b));
+	if a != 2 || b != 1 {
+		panic("bad swap");
+	}
+}

test/fixedbugs/bug065.go

@@ -0,0 +1,12 @@
+// run
+
+// Copyright 2009 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() {
+	k, l, m := 0,0,0;
+	_, _, _ = k, l, m;
+}

test/fixedbugs/bug066.go

@@ -0,0 +1,26 @@
+// compile
+
+// Copyright 2009 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 bug066
+
+type Scope struct {
+	entries map[string] *Object;
+}
+
+
+type Type struct {
+	scope *Scope;
+}
+
+
+type Object struct {
+	typ *Type;
+}
+
+
+func Lookup(scope *Scope) *Object {
+	return scope.entries["foo"];
+}

test/fixedbugs/bug067.go

@@ -0,0 +1,15 @@
+// run
+
+// Copyright 2009 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 c chan int
+
+func main() {
+	c = make(chan int);
+	go func() { c <- 0 } ();
+	<-c
+}

test/fixedbugs/bug068.go

@@ -0,0 +1,19 @@
+// errorcheck
+
+// Copyright 2009 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.
+
+// RESOLUTION: This program is illegal.  We should reject all unnecessary backslashes.
+
+package main
+
+const c = '\'';  // this works
+const s = "\'";  // ERROR "invalid|escape"
+
+/*
+There is no reason why the escapes need to be different inside strings and chars.
+
+uetli:~/go/test/bugs gri$ 6g bug068.go
+bug068.go:6: unknown escape sequence: '
+*/

test/fixedbugs/bug069.go

@@ -0,0 +1,20 @@
+// compile
+
+// Copyright 2009 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() {
+	c := make(chan int);
+	ok := false;
+	var i int;
+	
+	i, ok = <-c;  // works
+	_, _ = i, ok;
+	
+	ca := new([2]chan int);
+	i, ok = <-(ca[0]);  // fails: c.go:11: bad shape across assignment - cr=1 cl=2
+	_, _ = i, ok;
+}

test/fixedbugs/bug070.go

@@ -0,0 +1,40 @@
+// run
+
+// Copyright 2009 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() {
+	var i, k int
+	var r string
+outer:
+	for k = 0; k < 2; k++ {
+		r += fmt.Sprintln("outer loop top k", k)
+		if k != 0 {
+			panic("k not zero")
+		} // inner loop breaks this one every time
+		for i = 0; i < 2; i++ {
+			if i != 0 {
+				panic("i not zero")
+			} // loop breaks every time
+			r += fmt.Sprintln("inner loop top i", i)
+			if true {
+				r += "do break\n"
+				break outer
+			}
+		}
+	}
+	r += "broke\n"
+	expect := `outer loop top k 0
+inner loop top i 0
+do break
+broke
+`
+	if r != expect {
+		panic(r)
+	}
+}

test/fixedbugs/bug071.go

@@ -0,0 +1,23 @@
+// compile
+
+// Copyright 2009 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 bug071
+
+type rat struct  {
+	den  int;
+}
+
+func (u *rat) pr() {
+}
+
+type dch struct {
+	dat chan  *rat;
+}
+
+func dosplit(in *dch){
+	dat := <-in.dat;
+	_ = dat;
+}

test/fixedbugs/bug072.go

@@ -0,0 +1,12 @@
+// errorcheck
+
+// Copyright 2009 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() {
+	s := string(bug);  // ERROR "undef"
+	_ = s
+}

test/fixedbugs/bug073.go

@@ -0,0 +1,14 @@
+// compile
+
+// Copyright 2009 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() {
+	var s int = 0
+	var x int = 0
+	x = x << s // as of 1.13, these are ok
+	x = x >> s // as of 1.13, these are ok
+}

test/fixedbugs/bug074.go

@@ -0,0 +1,12 @@
+// errorcheck
+
+// Copyright 2009 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 := string{'a', 'b', '\n'};	// ERROR "composite"
+	print(x);
+}

test/fixedbugs/bug075.go

@@ -0,0 +1,17 @@
+// run
+
+// Copyright 2009 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 { m map[int]int }
+func main() {
+	t := new(T);
+	t.m = make(map[int]int);
+	var x int;
+	var ok bool;
+	x, ok = t.m[0];  //bug075.go:11: bad shape across assignment - cr=1 cl=2
+	_, _ = x, ok;
+}

test/fixedbugs/bug076.go

@@ -0,0 +1,25 @@
+// build
+
+// Copyright 2009 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 f() {
+exit:
+	;
+	goto exit
+}
+
+
+func main() {
+exit:
+	; // this should be legal (labels not properly scoped?)
+	goto exit
+}
+
+/*
+uetli:~/Source/go/test/bugs gri$ 6g bug076.go 
+bug076.go:11: label redeclared: exit
+*/

test/fixedbugs/bug077.go

@@ -0,0 +1,14 @@
+// compile
+
+// Copyright 2009 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() {
+	var exit int
+exit:
+	_ = exit
+	goto exit
+}

test/fixedbugs/bug078.go

@@ -0,0 +1,16 @@
+// run
+
+// Copyright 2009 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 dosplit(wait chan int ){
+	select {
+	case <-wait:
+	}
+}
+
+func main() {
+}

test/fixedbugs/bug080.go

@@ -0,0 +1,25 @@
+// compile
+
+// Copyright 2009 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 f1() (x int, y float64) {
+	return
+}
+
+func f2(x int, y float64) {
+	return
+}
+
+func main() {
+	f2(f1()) // this should be a legal call
+}
+
+/*
+bug080.go:12: illegal types for operand: CALL
+	(<int32>INT32)
+	({<x><int32>INT32;<y><float32>FLOAT32;})
+*/

test/fixedbugs/bug081.go

@@ -0,0 +1,14 @@
+// errorcheck
+
+// Copyright 2009 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
+
+const x x = 2 // ERROR "loop|type|cycle"
+
+/*
+bug081.go:3: first constant must evaluate an expression
+Bus error
+*/

test/fixedbugs/bug082.go

@@ -0,0 +1,21 @@
+// run
+
+// Copyright 2009 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 := 0
+	x = ^x // unary ^ not yet implemented
+	if x != ^0 {
+		println(x, " ", ^0)
+		panic("fail")
+	}
+}
+
+/*
+uetli:~/Source/go/test/bugs gri$ 6g bug082.go
+bug082.go:7: fatal error: optoas: no entry COM-<int32>INT32
+*/

test/fixedbugs/bug083.dir/bug0.go

@@ -0,0 +1,10 @@
+// Copyright 2009 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 bug0
+
+type t0 struct {
+}
+
+var V0 t0

test/fixedbugs/bug083.dir/bug1.go

@@ -0,0 +1,14 @@
+// Copyright 2009 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 bug1
+
+import "./bug0"
+
+// This is expected to fail--t0 is in package bug0 and should not be
+// visible here in package bug1.  The test for failure is in
+// ../bug083.go.
+
+var v1 bug0.t0;	// ERROR "bug0"
+

test/fixedbugs/bug083.go

@@ -0,0 +1,7 @@
+// errorcheckdir
+
+// Copyright 2009 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

test/fixedbugs/bug084.go

@@ -0,0 +1,27 @@
+// run
+
+// Copyright 2009 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 Service struct {
+	rpc [2]int
+}
+
+func (s *Service) Serve(a int64) {
+	if a != 1234 {
+		print(a, " not 1234\n")
+		panic("fail")
+	}
+}
+
+var arith Service
+
+func main() {
+	c := make(chan string)
+	a := new(Service)
+	go a.Serve(1234)
+	_ = c
+}

test/fixedbugs/bug085.go

@@ -0,0 +1,27 @@
+// errorcheck
+
+// Copyright 2009 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
+
+var x int
+
+func foo() {
+	print(P.x);  // ERROR "undefined"
+}
+
+/*
+uetli:~/Source/go1/test/bugs gri$ 6g bug085.go
+bug085.go:6: P: undefined
+Bus error
+*/
+
+/* expected scope hierarchy (outermost to innermost)
+
+universe scope (contains predeclared identifiers int, float32, int32, len, etc.)
+"solar" scope (just holds the package name P so it can be found but doesn't conflict)
+global scope (the package global scope)
+local scopes (function scopes)
+*/

test/fixedbugs/bug086.go

@@ -0,0 +1,23 @@
+// errorcheck
+
+// Copyright 2009 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 f() int {
+	if false {
+		return 0;
+	}
+	// we should not be able to return successfully w/o a return statement
+} // ERROR "return"
+
+func main() {
+	print(f(), "\n");
+}
+
+/*
+uetli:~/Source/go1/usr/gri/gosrc gri$ 6g bug.go && 6l bug.6 && 6.out
+4882
+*/

test/fixedbugs/bug087.go

@@ -0,0 +1,20 @@
+// compile
+
+// Copyright 2009 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
+
+const s string = "foo";
+
+func main() {
+	i := len(s);  // should be legal to take len() of a constant
+	_ = i;
+}
+
+/*
+uetli:~/Source/go1/test/bugs gri$ 6g bug087.go
+bug087.go:6: illegal combination of literals LEN 9
+bug087.go:6: illegal combination of literals LEN 9
+*/

test/fixedbugs/bug088.dir/bug0.go

@@ -0,0 +1,9 @@
+// Copyright 2009 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 bug0
+
+var V0 func() int;
+var V1 func() (a int);
+var V2 func() (a, b int);

test/fixedbugs/bug088.dir/bug1.go

@@ -0,0 +1,23 @@
+// Copyright 2009 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 P "./bug0"
+
+func main() {
+	a0 := P.V0();  // works
+	a1 := P.V1();  // works
+	a2, b2 := P.V2();  // doesn't work
+	_, _, _, _ = a0, a1, a2, b2;
+}
+
+/*
+uetli:~/Source/go1/test/bugs/bug088.dir gri$ 6g bug0.go && 6g bug1.go
+bug1.go:8: shape error across :=
+bug1.go:8: a2: undefined
+bug1.go:8: b2: undefined
+bug1.go:8: illegal types for operand: AS
+	(<(bug0)P.int32>INT32)
+*/

test/fixedbugs/bug088.go

@@ -0,0 +1,7 @@
+// compiledir
+
+// Copyright 2009 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.
+
+ignored

test/fixedbugs/bug089.go

@@ -0,0 +1,21 @@
+// compile
+
+// Copyright 2009 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	I1	interface {}
+type	I2	interface { pr() }
+
+func	e()	I1;
+
+var	i1	I1;
+var	i2	I2;
+
+func
+main() {
+
+	i2 = e().(I2);	// bug089.go:16: fatal error: agen_inter i2i
+}

test/fixedbugs/bug090.go

@@ -0,0 +1,46 @@
+// errorcheck
+
+// Copyright 2009 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
+
+const (
+	c3div2 = 3/2;
+	f3div2 = 3./2.;
+)
+
+func assert(t bool, s string) {
+	if !t {
+		panic(s)
+	}
+}
+
+func main() {
+	var i int;
+	var f float64;
+
+	assert(c3div2 == 1, "3/2");
+	assert(f3div2 == 1.5, "3/2");
+
+	i = c3div2;
+	assert(i == c3div2, "i == c3div2");
+
+	f = c3div2;
+	assert(f == c3div2, "f == c3div2");
+
+	f = f3div2;
+	assert(f == f3div2, "f == f3div2");
+
+	i = f3div2;	// ERROR "truncate"
+	assert(i == c3div2, "i == c3div2 from f3div2");
+	assert(i != f3div2, "i != f3div2");	// ERROR "truncate"
+
+	const g float64 = 1.0;
+	i = g;  // ERROR "convert|incompatible|cannot"
+
+	const h float64 = 3.14;
+	i = h;  // ERROR "convert|incompatible|cannot"
+	i = int(h);	// ERROR "truncate|cannot convert"
+}

test/fixedbugs/bug091.go

@@ -0,0 +1,26 @@
+// errorcheck
+
+// Copyright 2009 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 f1() {
+exit:
+	print("hi\n")
+	goto exit
+}
+
+func f2() {
+	const c = 1234
+}
+
+func f3() {
+	i := c // ERROR "undef"
+	_ = i
+}
+
+func main() {
+	f3()
+}

test/fixedbugs/bug092.go

@@ -0,0 +1,20 @@
+// run
+
+// Copyright 2009 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() {
+	var a [1000] int64;  // this alone works
+	var b [10000] int64;  // this causes a runtime crash
+	_, _ = a, b;
+}
+
+/*
+uetli:~/Source/go1/test/bugs gri$ 6g bug092.go && 6l bug092.6 && 6.out
+Illegal instruction
+
+gri: array size matters, possibly related to stack overflow check?
+*/

test/fixedbugs/bug093.go

@@ -0,0 +1,63 @@
+// run
+
+// Copyright 2009 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 S struct {
+}
+
+func (p *S) M() {
+}
+
+type I interface {
+	M();
+}
+
+func main() {
+	var p *S = nil;
+	var i I = p;  // this should be possible even though p is nil: we still know the type
+	i.M();  // should be possible since we know the type, and don't ever use the receiver
+}
+
+
+/*
+throw: ifaces2i: nil pointer
+SIGSEGV: segmentation violation
+Faulting address: 0x0
+pc: 0x1b7d
+
+0x1b7d?zi
+	throw(30409, 0, 0, ...)
+	throw(0x76c9, 0x0, 0x0, ...)
+0x207f?zi
+	sys·ifaces2i(31440, 0, 31480, ...)
+	sys·ifaces2i(0x7ad0, 0x7af8, 0x0, ...)
+0x136f?zi
+	main·main(1, 0, 1606416424, ...)
+	main·main(0x1, 0x7fff5fbff828, 0x0, ...)
+
+rax     0x1
+rbx     0x1
+rcx     0x33b5
+rdx     0x0
+rdi     0x1
+rsi     0x7684
+rbp     0x7684
+rsp     0xafb8
+r8      0x0
+r9      0x0
+r10     0x1002
+r11     0x206
+r12     0x0
+r13     0x0
+r14     0x7c48
+r15     0xa000
+rip     0x1b7d
+rflags  0x10202
+cs      0x27
+fs      0x10
+gs      0x48
+*/

test/fixedbugs/bug094.go

@@ -0,0 +1,32 @@
+// compile
+
+// Copyright 2009 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 f0() {
+	const x = 0;
+}
+
+
+func f1() {
+	x := 0;
+	_ = x;
+}
+
+
+func main() {
+	f0();
+	f1();
+}
+
+/*
+uetli:~/Source/go1/test/bugs gri$ 6g bug094.go && 6l bug094.6 && 6.out
+bug094.go:11: left side of := must be a name
+bad top
+.   LITERAL-I0 l(343)
+bug094.go:11: fatal error: walktype: top=3 LITERAL
+uetli:~/Source/go1/test/bugs gri$
+*/

test/fixedbugs/bug096.go

@@ -0,0 +1,26 @@
+// compile
+
+// Copyright 2009 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 A []int;
+
+func main() {
+	a := &A{0};
+	b := &A{0, 1};
+	_, _ = a, b;
+}
+
+/*
+uetli:~/Source/go1/test/bugs gri$ 6g bug096.go && 6l bug096.6 && 6.out
+Trace/BPT trap
+uetli:~/Source/go1/test/bugs gri$
+*/
+
+/*
+It appears that the first assignment changes the size of A from open
+into a fixed array.
+*/

test/fixedbugs/bug097.go

@@ -0,0 +1,53 @@
+// run
+
+// Copyright 2009 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 A []int
+
+func main() {
+	var a [3]A
+	for i := 0; i < 3; i++ {
+		a[i] = A{i}
+	}
+	if a[0][0] != 0 {
+		panic("fail a[0][0]")
+	}
+	if a[1][0] != 1 {
+		panic("fail a[1][0]")
+	}
+	if a[2][0] != 2 {
+		panic("fail a[2][0]")
+	}
+}
+
+/*
+uetli:~/Source/go1/test/bugs gri$ 6g bug097.go && 6l bug097.6 && 6.out
+
+panic on line 342 PC=0x13c2
+0x13c2?zi
+	main·main(1, 0, 1606416416, ...)
+	main·main(0x1, 0x7fff5fbff820, 0x0, ...)
+SIGTRAP: trace trap
+Faulting address: 0x4558
+pc: 0x4558
+
+0x4558?zi
+	sys·Breakpoint(40960, 0, 45128, ...)
+	sys·Breakpoint(0xa000, 0xb048, 0xa000, ...)
+0x156a?zi
+	sys·panicl(342, 0, 0, ...)
+	sys·panicl(0x156, 0x300000000, 0xb024, ...)
+0x13c2?zi
+	main·main(1, 0, 1606416416, ...)
+	main·main(0x1, 0x7fff5fbff820, 0x0, ...)
+*/
+
+/* An array composite literal needs to be created freshly every time.
+It is a "construction" of an array after all. If I pass the address
+of the array to some function, it may store it globally. Same applies
+to struct literals.
+*/

test/fixedbugs/bug098.go

@@ -0,0 +1,23 @@
+// compile
+
+// Copyright 2009 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 A []int;
+type M map[int] int;
+
+func main() {
+	var a *A = &A{0};
+	var m *M = &M{0 : 0};  // should be legal to use & here for consistency with other composite constructors (prev. line)
+	_, _ = a, m;
+}
+
+/*
+uetli:~/Source/go1/test/bugs gri$ 6g bug098.go && 6l bug098.6 && 6.out
+bug098.go:10: illegal types for operand: AS
+	(*MAP[<int32>INT32]<int32>INT32)
+	(**MAP[<int32>INT32]<int32>INT32)
+*/

test/fixedbugs/bug099.go

@@ -0,0 +1,37 @@
+// run
+
+// Copyright 2009 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
+
+// Interface
+type I interface { F() int }
+
+// Implements interface
+type S struct { }
+func (s *S) F() int { return 1 }
+
+// Allocates S but returns I
+// Arg is unused but important:
+// if you take it out (and the 0s below)
+// then the bug goes away.
+func NewI(i int) I {
+	return new(S)
+}
+
+// Uses interface method.
+func Use(x I) {
+	x.F()
+}
+
+func main() {
+	i := NewI(0);
+	Use(i);
+
+	// Again, without temporary
+	// Crashes because x.F is 0.
+	Use(NewI(0));
+}
+

test/fixedbugs/bug101.go

@@ -0,0 +1,15 @@
+// run
+
+// Copyright 2009 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 a = []int { 1, 2, 3 }
+
+func main() {
+	if len(a) != 3 { panic("array len") }
+	// print(a[0], " ", a[1], " ", a[2], "\n")
+	if a[0] != 1 || a[1] != 2 || a[2] != 3 { panic("array contents") }
+}

test/fixedbugs/bug102.go

@@ -0,0 +1,26 @@
+// run
+
+// Copyright 2009 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() {
+	var b [0]byte
+	s := string(b[0:]) // out of bounds trap
+	if s != "" {
+		panic("bad convert")
+	}
+	var b1 = [5]byte{'h', 'e', 'l', 'l', 'o'}
+	if string(b1[0:]) != "hello" {
+		panic("bad convert 1")
+	}
+	var b2 = make([]byte, 5)
+	for i := 0; i < 5; i++ {
+		b2[i] = b1[i]
+	}
+	if string(b2) != "hello" {
+		panic("bad convert 2")
+	}
+}

test/fixedbugs/bug103.go

@@ -0,0 +1,15 @@
+// errorcheck
+
+// Copyright 2009 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 f() /* no return type */ {}
+
+func main() {
+	x := f();  // ERROR "mismatch|as value|no type"
+	_ = x
+}
+

test/fixedbugs/bug104.go

@@ -0,0 +1,10 @@
+// errorcheck
+
+// Copyright 2009 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 f() string {
+	return 0	// ERROR "conversion|type"
+}

test/fixedbugs/bug106.dir/bug0.go

@@ -0,0 +1,7 @@
+// Copyright 2009 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 bug0
+
+const A = -1

test/fixedbugs/bug106.dir/bug1.go

@@ -0,0 +1,8 @@
+// Copyright 2009 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 bug1
+
+import _ "./bug0"
+

test/fixedbugs/bug106.go

@@ -0,0 +1,7 @@
+// compiledir
+
+// Copyright 2009 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.
+
+ignored

test/fixedbugs/bug107.go

@@ -0,0 +1,16 @@
+// errorcheck
+
+// Copyright 2009 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 "os"
+type _ os.FileInfo
+func f() (os int) {
+	 // In the next line "os" should refer to the result variable, not
+	 // to the package.
+	 v := os.Open("", 0, 0);	// ERROR "undefined"
+	 _ = v
+	 return 0
+}

test/fixedbugs/bug108.go

@@ -0,0 +1,11 @@
+// errorcheck
+
+// Copyright 2009 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 f() {
+	v := 1 << 1025;		// ERROR "overflow|shift count too large"
+	_ = v
+}

test/fixedbugs/bug109.go

@@ -0,0 +1,25 @@
+// compile
+
+// Copyright 2009 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 bug109
+
+func f(a float64) float64 {
+	e := 1.0
+	e = e * a
+	return e
+}
+
+/*
+6g bugs/bug109.go
+bugs/bug109.go:5: illegal types for operand: MUL
+	(<float64>FLOAT64)
+	(<float32>FLOAT32)
+bugs/bug109.go:5: illegal types for operand: AS
+	(<float64>FLOAT64)
+bugs/bug109.go:6: illegal types for operand: RETURN
+	(<float32>FLOAT32)
+	(<float64>FLOAT64)
+*/

test/fixedbugs/bug110.go

@@ -0,0 +1,20 @@
+// build
+
+// Copyright 2009 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
+
+const a = 0
+
+func f() {
+	const a = 5
+}
+
+func main() {
+	if a != 0 {
+		println("a=", a)
+		panic("fail")
+	}
+}

test/fixedbugs/bug111.go

@@ -0,0 +1,32 @@
+// run
+
+// Copyright 2009 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 ncall int;
+
+type Iffy interface {
+	Me() Iffy
+}
+
+type Stucky struct {
+	n int
+}
+
+func (s *Stucky) Me() Iffy {
+	ncall++;
+	return s
+}
+
+func main() {
+	s := new(Stucky);
+	i := s.Me();
+	j := i.Me();
+	j.Me();
+	if ncall != 3 {
+		panic("bug111")
+	}
+}