mirror of
https://github.com/golang/go
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e3e0122ae2
Replace various implementations of inlining prevention with "go:noinline" Change-Id: Iac90895c3a62d6f4b7a6c72e11e165d15a0abfa4 Reviewed-on: https://go-review.googlesource.com/16510 Reviewed-by: Keith Randall <khr@golang.org> Run-TryBot: Todd Neal <todd@tneal.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
66 lines
943 B
Go
66 lines
943 B
Go
// run
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// Copyright 2012 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 4518. In some circumstances "return F(...)"
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// where F has multiple returns is miscompiled by 6g due to
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// bold assumptions in componentgen.
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package main
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//go:noinline
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func F(e interface{}) (int, int) {
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return 3, 7
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}
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//go:noinline
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func G() (int, int) {
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return 3, 7
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}
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func bogus1(d interface{}) (int, int) {
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switch {
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default:
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return F(d)
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}
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return 0, 0
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}
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func bogus2() (int, int) {
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switch {
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default:
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return F(3)
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}
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return 0, 0
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}
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func bogus3(d interface{}) (int, int) {
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switch {
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default:
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return G()
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}
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return 0, 0
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}
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func bogus4() (int, int) {
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switch {
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default:
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return G()
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}
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return 0, 0
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}
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func check(a, b int) {
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if a != 3 || b != 7 {
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println(a, b)
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panic("a != 3 || b != 7")
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}
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}
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func main() {
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check(bogus1(42))
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check(bogus2())
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}
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