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Source file test/uintptrescapes2.go

Documentation: test

  // errorcheck -0 -m -live
  // Copyright 2016 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.
  // Test escape analysis and liveness inferred for uintptrescapes functions.
  package p
  import (
  func F1(a uintptr) {} // ERROR "escaping uintptr"
  func F2(a ...uintptr) {} // ERROR "escaping ...uintptr" "a does not escape"
  func G() {
  	var t int                       // ERROR "moved to heap"
  	F1(uintptr(unsafe.Pointer(&t))) // ERROR "live at call to F1: .?autotmp" "&t escapes to heap"
  func H() {
  	var v int                                // ERROR "moved to heap"
  	F2(0, 1, uintptr(unsafe.Pointer(&v)), 2) // ERROR "live at call to newobject: .?autotmp" "live at call to F2: .?autotmp" "escapes to heap"

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