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go/test/fixedbugs/issue4518.go
Emmanuel Odeke 53fd522c0d all: make copyright headers consistent with one space after period
Follows suit with https://go-review.googlesource.com/#/c/20111.

Generated by running
$ grep -R 'Go Authors.  All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors.  All/Go Authors. All/g' $F;done

The code in cmd/internal/unvendor wasn't changed.

Fixes #15213

Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00

66 lines
942 B
Go

// run
// 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 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
}
func bogus1(d interface{}) (int, int) {
switch {
default:
return F(d)
}
return 0, 0
}
func bogus2() (int, int) {
switch {
default:
return F(3)
}
return 0, 0
}
func bogus3(d interface{}) (int, int) {
switch {
default:
return G()
}
return 0, 0
}
func bogus4() (int, int) {
switch {
default:
return G()
}
return 0, 0
}
func check(a, b int) {
if a != 3 || b != 7 {
println(a, b)
panic("a != 3 || b != 7")
}
}
func main() {
check(bogus1(42))
check(bogus2())
}