mirror of https://go.googlesource.com/go
52 lines
690 B
Go
52 lines
690 B
Go
// run
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// Copyright 2019 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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// Values smaller than 64-bits were mistakenly always proven to be
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// non-negative.
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//
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// The tests here are marked go:noinline to ensure they're
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// independently optimized by SSA.
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package main
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var x int32 = -1
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//go:noinline
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func a() {
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if x != -1 {
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panic(1)
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}
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if x > 0 || x != -1 {
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panic(2)
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}
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}
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//go:noinline
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func b() {
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if x != -1 {
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panic(3)
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}
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if x > 0 {
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panic(4)
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}
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}
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//go:noinline
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func c() {
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if x > 0 || x != -1 {
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panic(5)
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}
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if x > 0 || x != -1 {
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panic(6)
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}
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}
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func main() {
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a()
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b()
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c()
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}
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