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[Bug c/52577] __builtin_shuffle -Wunused-but-set-* false positives
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 13 Mar 2012 21:19:56 +0000
- Subject: [Bug c/52577] __builtin_shuffle -Wunused-but-set-* false positives
- Auto-submitted: auto-generated
- References: <bug-52577-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52577
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-03-13 21:19:56 UTC ---
Author: jakub
Date: Tue Mar 13 21:19:50 2012
New Revision: 185355
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=185355
Log:
PR c/52577
* c-parser.c (c_parser_postfix_expression)
<case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
* gcc.dg/Wunused-var-3.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/Wunused-var-3.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/c-parser.c
trunk/gcc/testsuite/ChangeLog