mirror of
https://github.com/golang/go
synced 2024-09-05 07:54:46 +00:00
![Emmanuel Odeke](/assets/img/avatar_default.png)
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>
47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
// compile
|
|
|
|
// Copyright 2014 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 that code compiles without
|
|
// "internal error: ... recorded as live on entry" errors
|
|
// from the liveness code.
|
|
//
|
|
// This code contains methods or other construct that
|
|
// trigger the generation of wrapper functions with no
|
|
// clear line number (they end up using line 1), and those
|
|
// would have annotations printed if we used -live=1,
|
|
// like the live.go test does.
|
|
// Instead, this test relies on the fact that the liveness
|
|
// analysis turns any non-live parameter on entry into
|
|
// a compile error. Compiling successfully means that bug
|
|
// has been avoided.
|
|
|
|
package main
|
|
|
|
// The liveness analysis used to get confused by the tail return
|
|
// instruction in the wrapper methods generated for T1.M and (*T1).M,
|
|
// causing a spurious "live at entry: ~r1" for the return result.
|
|
|
|
type T struct {
|
|
}
|
|
|
|
func (t *T) M() *int
|
|
|
|
type T1 struct {
|
|
*T
|
|
}
|
|
|
|
// Liveness analysis used to have the VARDEFs in the wrong place,
|
|
// causing a temporary to appear live on entry.
|
|
|
|
func f1(pkg, typ, meth string) {
|
|
panic("value method " + pkg + "." + typ + "." + meth + " called using nil *" + typ + " pointer")
|
|
}
|
|
|
|
func f2() interface{} {
|
|
return new(int)
|
|
}
|
|
|