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re PR tree-optimization/42625 (-fipa-sra can generate different destructors in different object files, binary breaks after linking)

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PR tree-optimization/42625
	* cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
	TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body
	aliases.

	* g++.dg/opt/dtor4.C: New test.
	* g++.dg/opt/dtor4.h: New.
	* g++.dg/opt/dtor4-aux.cc: New.

From-SVN: r155694
This commit is contained in:
Jakub Jelinek 2010-01-07 16:10:26 +01:00 committed by Jakub Jelinek
parent 01094033c6
commit 4139c7ef40
6 changed files with 51 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2010-01-07 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/42625
* cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body
aliases.
2010-01-07 Duncan Sands <baldrick@free.fr>
* Makefile.in (PLUGIN_HEADERS): Add version.h.

11
gcc/cgraph.c
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@ -1,5 +1,5 @@
/* Callgraph handling code.
Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Jan Hubicka
@ -2197,11 +2197,20 @@ cgraph_make_node_local (struct cgraph_node *node)
gcc_assert (cgraph_node_can_be_local_p (node));
if (DECL_COMDAT (node->decl) || DECL_EXTERNAL (node->decl))
{
struct cgraph_node *alias;
DECL_COMDAT (node->decl) = 0;
DECL_COMDAT_GROUP (node->decl) = 0;
TREE_PUBLIC (node->decl) = 0;
DECL_WEAK (node->decl) = 0;
DECL_EXTERNAL (node->decl) = 0;
for (alias = node->same_body; alias; alias = alias->next)
{
DECL_COMDAT (alias->decl) = 0;
DECL_COMDAT_GROUP (alias->decl) = 0;
TREE_PUBLIC (alias->decl) = 0;
DECL_WEAK (alias->decl) = 0;
DECL_EXTERNAL (alias->decl) = 0;
}
node->local.externally_visible = false;
node->local.local = true;
gcc_assert (cgraph_function_body_availability (node) == AVAIL_LOCAL);

7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2010-01-07 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/42625
* g++.dg/opt/dtor4.C: New test.
* g++.dg/opt/dtor4.h: New.
* g++.dg/opt/dtor4-aux.cc: New.
2010-01-07 Tobias Burnus <burnus@net-b.de>
PR fortran/42597

6
gcc/testsuite/g++.dg/opt/dtor4-aux.cc Normal file
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@ -0,0 +1,6 @@
// { dg-do compile }
// { dg-options "" }
#include "dtor4.h"
S s;

13
gcc/testsuite/g++.dg/opt/dtor4.C Normal file
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@ -0,0 +1,13 @@
// PR tree-optimization/42625
// { dg-do run }
// { dg-options "-O1 -fipa-sra" }
// { dg-additional-sources "dtor4-aux.cc" }
#include "dtor4.h"
int
main ()
{
S s;
return 0;
}

8
gcc/testsuite/g++.dg/opt/dtor4.h Normal file
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@ -0,0 +1,8 @@
#include <cassert>
struct S
{
int a, i;
S () : i(1) {}
__attribute__((noinline)) ~S () { assert (i == 1); }
};