...
Run Format

Source file test/fixedbugs/issue20250.go

Documentation: test/fixedbugs

  // errorcheck -0 -live -d=compilelater
  
  // Copyright 2017 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 20250: liveness differed with concurrent compilation
  // due to propagation of addrtaken to outer variables for
  // closure variables.
  
  package p
  
  type T struct {
  	s string
  }
  
  func f(a T) { // ERROR "live at entry to f: a"
  	var e interface{}
  	func() { // ERROR "live at entry to f.func1: &e a"
  		e = a.s // ERROR "live at call to convT2Estring: &e a" "live at call to writebarrierptr: a"
  	}() // ERROR "live at call to f.func1: e$"
  	// Before the fix, both a and e were live at the previous line.
  	_ = e
  }
  

View as plain text