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re PR c++/57548 (calling gnu multiversioned function at file scope causes ICE) 

Fixes PR 57548.

2013-06-07  Sriraman Tallam  <tmsriram@google.com>

	PR c++/57548
	* cp/call.c (build_over_call):  Check if current_function_decl is
	NULL.
	* testsuite/g++.dg/ext/pr57548.C: New test.

From-SVN: r199842
This commit is contained in:
Sriraman Tallam 2013-06-08 00:38:09 +00:00 committed by Sriraman Tallam
parent dac71dd7b5
commit 7f678e7ebc
4 changed files with 38 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2013-06-07 Sriraman Tallam <tmsriram@google.com>
PR c++/57548
* cp/call.c (build_over_call): Check if current_function_decl is
NULL.
2013-06-07 Jan Hubicka <jh@suse.cz>
* symtab.c (symtab_resolve_alias): Do not remove alias attribute.

3
gcc/cp/call.c
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@ -7053,7 +7053,8 @@ build_over_call (struct z_candidate *cand, int flags, tsubst_flags_t complain)
otherwise the call should go through the dispatcher. */
if (DECL_FUNCTION_VERSIONED (fn)
&& !targetm.target_option.can_inline_p (current_function_decl, fn))
&& (current_function_decl == NULL
|| !targetm.target_option.can_inline_p (current_function_decl, fn)))
{
fn = get_function_version_dispatcher (fn);
if (fn == NULL)

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2013-06-07 Sriraman Tallam <tmsriram@google.com>
PR c++/57548
* testsuite/g++.dg/ext/pr57548.C: New test.
2013-06-07 Balaji V. Iyer <balaji.v.iyer@intel.com>
PR middle-end/57541

25
gcc/testsuite/g++.dg/ext/pr57548.C Normal file
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@ -0,0 +1,25 @@
/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
/* { dg-require-ifunc "" } */
int fum (); // Extra declaration that is merged with the second one.
int fum () __attribute__ ((target("default")));
int fum () __attribute__((target( "mmx")));
int fum () __attribute__((target( "popcnt")));
int fum () __attribute__((target( "sse")));
int fum () __attribute__((target( "sse2")));
int fum () __attribute__((target( "sse3")));
int fum () __attribute__((target( "ssse3")));
int fum () __attribute__((target( "sse4.1")));
int fum () __attribute__((target( "sse4.2")));
int fum () __attribute__((target( "avx")));
int fum () __attribute__((target( "avx2")));
int fum () __attribute__((target("arch=core2")));
int fum () __attribute__((target("arch=corei7")));
int fum () __attribute__((target("arch=atom")));
int (*p)() = &fum;
int j = fum();