// compile

// Copyright 2012 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 run 6g out of registers.  Issue 2669.

package p

type y struct {
	num int
}

func zzz () {
    k := make([]byte, 10)
	arr := make ([]*y, 0)
    for s := range arr {
        x := make([]byte, 10)
        for i := 0; i < 100 ; i++ {

// 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.)

// 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.

// 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

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$

// errorcheck

// Copyright 2010 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.

// 6g accepts the program below even though it is syntactically incorrect:
// Each statement in the list of statements for each case clause must be
// terminated with a semicolon. No semicolon is present for the labeled
// statements and because the last token is a colon ":", no semicolon is

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Issue 4518. In some circumstances "return F(...)"
// where F has multiple returns is miscompiled by 6g due to
// bold assumptions in componentgen.

package main

//go:noinline
func F(e interface{}) (int, int) {
	return 3, 7
}

//go:noinline
func G() (int, int) {
	return 3, 7
}

// Copyright 2012 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 4138: bug in floating-point registers numbering.
// Makes 6g unable to use more than 11 registers.

package main

func formula() float32 {
	mA := [1]float32{1.0}
	det1 := mA[0]
	det2 := mA[0]
	det3 := mA[0]
	det4 := mA[0]
	det5 := mA[0]
	det6 := mA[0]

// license that can be found in the LICENSE file.

package main

func main() {
	c := make(chan int, 1)
	dummy := make(chan int)
	v := 0x12345678
	for i := 0; i < 10; i++ {
		// 6g had a bug that caused select to pass &t to
		// selectrecv before allocating the memory for t,
		// which caused non-deterministic crashes.
		// This test looks for the bug by checking that the

	}
	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