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re PR middle-end/61558 (ICE: Segmentation fault) 

PR ipa/61558
	* symtab.c (symbol_table::insert_to_assembler_name_hash
	symbol_table::unlink_from_assembler_name_hash): Do not ICE when	
	DECL_ASSEMBLER_NAME is NULL.

From-SVN: r218729
This commit is contained in:
Jan Hubicka 2014-12-15 04:44:58 +01:00 committed by Jan Hubicka
parent 38c1b72fcb
commit 59b5b46686
4 changed files with 28 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2014-12-14 Jan Hubicka <hubicka@ucw.cz>
PR ipa/61558
* symtab.c (symbol_table::insert_to_assembler_name_hash
symbol_table::unlink_from_assembler_name_hash): Do not ICE when
DECL_ASSEMBLER_NAME is NULL.
2014-12-14 Jan Hubicka <hubicka@ucw.cz>
* cgraphunit.c (analyze_functions): Always analyze targets of aliases.

9
gcc/symtab.c
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@ -168,6 +168,11 @@ symbol_table::insert_to_assembler_name_hash (symtab_node *node,
tree name = DECL_ASSEMBLER_NAME (node->decl);
/* C++ FE can produce decls without associated assembler name and insert
them to symtab to hold section or TLS information. */
if (!name)
return;
hashval_t hash = decl_assembler_name_hash (name);
aslot = assembler_name_hash->find_slot_with_hash (name, hash, INSERT);
gcc_assert (*aslot != node);
@ -209,6 +214,10 @@ symbol_table::unlink_from_assembler_name_hash (symtab_node *node,
{
tree name = DECL_ASSEMBLER_NAME (node->decl);
symtab_node **slot;
if (!name)
return;
hashval_t hash = decl_assembler_name_hash (name);
slot = assembler_name_hash->find_slot_with_hash (name, hash,
NO_INSERT);

7
gcc/testsuite/ChangeLog
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@ -1,4 +1,9 @@
2014-12-14 Jan HUbicka <hubicka@ucw.cz>
2014-12-14 Jan Hubicka <hubicka@ucw.cz>
PR ipa/61558
* g++.dg/torture/pr61558.C: New testcase.
2014-12-14 Jan Hubicka <hubicka@ucw.cz>
PR lto/64043
* g++.dg/lto/pr64043_0.C: New testcase.

6
gcc/testsuite/g++.dg/torture/pr61558.C Normal file
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@ -0,0 +1,6 @@
// { dg-do compile }
static __typeof 0 a __attribute__ ((__weakref__ ("")));
template <typename> class A
{
static __thread int b;
};