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re PR c/37645 (ICE with weakref attribute) 

PR c/37645
	* c-common.c (handle_weakref_attribute): Ignore the attribute unless
	the decl is a VAR_DECL or FUNCTION_DECL.

	* gcc.dg/pr37645.c: New test.

From-SVN: r140680
This commit is contained in:
Jakub Jelinek 2008-09-26 07:09:29 +02:00 committed by Jakub Jelinek
parent 83d48fad1f
commit e7b012c044
4 changed files with 19 additions and 3 deletions
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8
gcc/ChangeLog
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@ -1,7 +1,12 @@
2008-09-25 Jakub Jelinek <jakub@redhat.com>
PR c/37645
* c-common.c (handle_weakref_attribute): Ignore the attribute unless
the decl is a VAR_DECL or FUNCTION_DECL.
2008-09-25 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/37535
* ira-lives.c (mark_reg_live, mark_reg_dead): New functions.
(mark_ref_live, mark_ref_dead): Use them.
(def_conflicts_with_inputs_p): Remove.
@ -14,7 +19,6 @@
2008-09-25 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/37448
* ira-int.h (IRA_ALLOCNO_TEMP): Rename to ALLOCNO_TEMP.
(ira_compress_allocno_live_ranges): New prototype.

4
gcc/c-common.c
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@ -6131,7 +6131,9 @@ handle_weakref_attribute (tree *node, tree ARG_UNUSED (name), tree args,
/* We must ignore the attribute when it is associated with
local-scoped decls, since attribute alias is ignored and many
such symbols do not even have a DECL_WEAK field. */
if (decl_function_context (*node) || current_function_decl)
if (decl_function_context (*node)
|| current_function_decl
|| (TREE_CODE (*node) != VAR_DECL && TREE_CODE (*node) != FUNCTION_DECL))
{
warning (OPT_Wattributes, "%qE attribute ignored", name);
*no_add_attrs = true;

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2008-09-25 Jakub Jelinek <jakub@redhat.com>
PR c/37645
* gcc.dg/pr37645.c: New test.
2008-09-25 Steve Ellcey <sje@cup.hp.com>
* gcc.dg/vect/slp-7.c: Add alignment attribute, change target tests.

5
gcc/testsuite/gcc.dg/pr37645.c Normal file
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@ -0,0 +1,5 @@
/* PR c/37645 */
/* { dg-do compile } */
typedef int T __attribute__((__weakref__ ("U"))); /* { dg-warning "attribute ignored" } */
void foo (int i __attribute__((__weakref__ ("j")))); /* { dg-warning "attribute ignored" } */