go/test/escape_struct_return.go
Matthew Dempsky 501b786e5c test: remove -newescape from regress tests
Prep for subsequent CLs to remove old escape analysis pass.

This CL removes -newescape=true from tests that use it, and deletes
tests that use -newescape=false. (For history, see CL 170447.)

Notably, this removes escape_because.go without any replacement, but
this is being tracked by #31489.

Change-Id: I6f6058d58fff2c5d210cb1d2713200cc9f501ca7
Reviewed-on: https://go-review.googlesource.com/c/go/+/187617
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
2019-08-28 19:27:20 +00:00

75 lines
1 KiB
Go

// errorcheck -0 -m -l
// Copyright 2015 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 for function parameters.
package foo
var Ssink *string
type U struct {
_sp *string
_spp **string
}
func A(sp *string, spp **string) U { // ERROR "leaking param: sp to result ~r2 level=0$" "leaking param: spp to result ~r2 level=0$"
return U{sp, spp}
}
func B(spp **string) U { // ERROR "leaking param: spp to result ~r1 level=0$"
return U{*spp, spp}
}
func tA1() {
s := "cat"
sp := &s
spp := &sp
u := A(sp, spp)
_ = u
println(s)
}
func tA2() {
s := "cat"
sp := &s
spp := &sp
u := A(sp, spp)
println(*u._sp)
}
func tA3() {
s := "cat"
sp := &s
spp := &sp
u := A(sp, spp)
println(**u._spp)
}
func tB1() {
s := "cat"
sp := &s
spp := &sp
u := B(spp)
_ = u
println(s)
}
func tB2() {
s := "cat"
sp := &s
spp := &sp
u := B(spp)
println(*u._sp)
}
func tB3() {
s := "cat"
sp := &s
spp := &sp
u := B(spp)
println(**u._spp)
}