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https://github.com/golang/go
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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
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Issue 26495: gccgo produces incorrect order of evaluation
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// for expressions involving &&, || subexpressions.
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package main
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var i int
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func checkorder(order int) {
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if i != order {
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panic("FAIL: wrong evaluation order")
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}
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i++
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}
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func A() bool { checkorder(1); return true }
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func B() bool { checkorder(2); return true }
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func C() bool { checkorder(5); return false }
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func D() bool { panic("FAIL: D should not be called") }
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func E() int { checkorder(3); return 0 }
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func F() int { checkorder(0); return 0 }
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func G(bool) int { checkorder(9); return 0 }
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func H(int, bool, int) int { checkorder(7); return 0 }
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func I(int) bool { checkorder(8); return true }
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func J() int { checkorder(4); return 0 }
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func K() int { checkorder(6); return 0 }
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func L() int { checkorder(10); return 0 }
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func main() {
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_ = F() + G(A() && B() && I(E()+H(J(), C() && D(), K()))) + L()
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}
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