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go/test/func7.go
Russ Cox bac8f18035 gc: fix order of operations for f() < g().
Also, 6g was passing uninitialized
Node &n2 to regalloc, causing non-deterministic
register collisions (but only when both left and
right hand side of comparison had function calls).

Fixes #1728.

R=ken2
CC=golang-dev
https://golang.org/cl/4425070
2011-04-26 00:57:03 -04:00

30 lines
482 B
Go

// $G $D/$F.go && $L $F.$A && ./$A.out
// 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 calledf = false
func f() int {
calledf = true
return 1
}
func g() int {
if !calledf {
println("BUG: func7 - called g before f")
}
return 0
}
func main() {
// 6g, 8g, 5g all used to evaluate g() before f().
if f() < g() {
panic("wrong answer")
}
}