// 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 ( "unsafe" ) //go:uintptrescapes //go:noinline func F1(a uintptr) {} // ERROR "escaping uintptr" //go:uintptrescapes //go:noinline func F2(a ...uintptr) {} // ERROR "escaping ...uintptr" "live at entry" "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" }