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Source file test/fixedbugs/issue4066.go

Documentation: test/fixedbugs

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

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