mirror of
https://github.com/golang/go
synced 2024-11-27 03:11:19 -07:00
53fd522c0d
Follows suit with https://go-review.googlesource.com/#/c/20111. Generated by running $ grep -R 'Go Authors. All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go Authors. All/Go Authors. All/g' $F;done The code in cmd/internal/unvendor wasn't changed. Fixes #15213 Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f Reviewed-on: https://go-review.googlesource.com/21819 Reviewed-by: Ian Lance Taylor <iant@golang.org> Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
// errorcheck -0 -m
|
|
|
|
// Copyright 2010 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, using compiler diagnostic flags, that the escape analysis is working.
|
|
// Compiles but does not run. Inlining is enabled.
|
|
|
|
package foo
|
|
|
|
var p *int
|
|
|
|
func alloc(x int) *int { // ERROR "can inline alloc" "moved to heap: x"
|
|
return &x // ERROR "&x escapes to heap"
|
|
}
|
|
|
|
var f func()
|
|
|
|
func f1() {
|
|
p = alloc(2) // ERROR "inlining call to alloc" "&x escapes to heap" "moved to heap: x"
|
|
|
|
// Escape analysis used to miss inlined code in closures.
|
|
|
|
func() { // ERROR "func literal does not escape" "can inline f1.func1"
|
|
p = alloc(3) // ERROR "inlining call to alloc" "&x escapes to heap" "moved to heap: x"
|
|
}()
|
|
|
|
f = func() { // ERROR "func literal escapes to heap" "can inline f1.func2"
|
|
p = alloc(3) // ERROR "inlining call to alloc" "&x escapes to heap" "moved to heap: x"
|
|
}
|
|
f()
|
|
}
|
|
|
|
func f2() {} // ERROR "can inline f2"
|
|
|
|
// No inline for panic, recover.
|
|
func f3() { panic(1) }
|
|
func f4() { recover() }
|
|
|
|
func f5() *byte {
|
|
type T struct {
|
|
x [1]byte
|
|
}
|
|
t := new(T) // ERROR "new.T. escapes to heap"
|
|
return &t.x[0] // ERROR "&t.x.0. escapes to heap"
|
|
}
|
|
|
|
func f6() *byte {
|
|
type T struct {
|
|
x struct {
|
|
y byte
|
|
}
|
|
}
|
|
t := new(T) // ERROR "new.T. escapes to heap"
|
|
return &t.x.y // ERROR "&t.x.y escapes to heap"
|
|
}
|