mirror of
https://github.com/golang/go
synced 2024-11-18 08:14:41 -07:00
48c79734ff
Gccgo produced incorrect order of evaluation for expressions involving &&, || subexpressions. The fix is CL 125299. Updates #26495. Change-Id: I18d873281709f3160b3e09f0b2e46f5c120e1cab Reviewed-on: https://go-review.googlesource.com/125301 Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
// run
|
|
|
|
// Copyright 2018 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 26495: gccgo produces incorrect order of evaluation
|
|
// for expressions involving &&, || subexpressions.
|
|
|
|
package main
|
|
|
|
var i int
|
|
|
|
func checkorder(order int) {
|
|
if i != order {
|
|
panic("FAIL: wrong evaluation order")
|
|
}
|
|
i++
|
|
}
|
|
|
|
func A() bool { checkorder(1); return true }
|
|
func B() bool { checkorder(2); return true }
|
|
func C() bool { checkorder(5); return false }
|
|
func D() bool { panic("FAIL: D should not be called") }
|
|
func E() int { checkorder(3); return 0 }
|
|
func F() int { checkorder(0); return 0 }
|
|
func G(bool) int { checkorder(9); return 0 }
|
|
func H(int, bool, int) int { checkorder(7); return 0 }
|
|
func I(int) bool { checkorder(8); return true }
|
|
func J() int { checkorder(4); return 0 }
|
|
func K() int { checkorder(6); return 0 }
|
|
func L() int { checkorder(10); return 0 }
|
|
|
|
func main() {
|
|
_ = F() + G(A() && B() && I(E()+H(J(), C() && D(), K()))) + L()
|
|
}
|