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go/misc/cgo/test/testdata/issue29563/weak2.c
Joel Sing c90f6dd496 cmd/link: permit duplicate weak symbols
Permit weak symbols to be duplicates - most external linkers allow
this and there are various situations where they can occur (including
retpoline and retguard).

Fixes #29563

Change-Id: I355493c847fbc8f670a85a643db65a4cf8f9883d
Reviewed-on: https://go-review.googlesource.com/c/go/+/169658
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-03-29 17:46:01 +00:00

12 lines
257 B
C

// Copyright 2019 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.
extern int weaksym __attribute__((__weak__));
int weaksym = 42;
int foo2()
{
return weaksym;
}