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38 lines
543 B
38 lines
543 B
// 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 4066: return values not being spilled eagerly enough
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package main
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func main() {
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n := foo()
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if n != 2 {
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println(n)
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panic("wrong return value")
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}
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}
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type terr struct{}
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func foo() (val int) {
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val = 0
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defer func() {
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if x := recover(); x != nil {
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_ = x.(terr)
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}
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}()
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for {
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val = 2
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foo1()
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}
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panic("unreachable")
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}
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func foo1() {
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panic(terr{})
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}
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