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[Bug tree-optimization/68680] [4.9/5 regression] On-stack VLA does not cause instrumentation with -fstack-protector
- 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: Mon, 07 Dec 2015 09:11:38 +0000
- Subject: [Bug tree-optimization/68680] [4.9/5 regression] On-stack VLA does not cause instrumentation with -fstack-protector
- Auto-submitted: auto-generated
- References: <bug-68680-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68680
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Dec 7 09:11:06 2015
New Revision: 231357
URL: https://gcc.gnu.org/viewcvs?rev=231357&root=gcc&view=rev
Log:
Backport from mainline
2015-12-04 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/68680
* calls.c (special_function_p): Return ECF_MAY_BE_ALLOCA for
BUILT_IN_ALLOCA{,_WITH_ALIGN}. Don't check for __builtin_alloca
by name.
* gcc.target/i386/pr68680.c: New test.
Added:
branches/gcc-5-branch/gcc/testsuite/gcc.target/i386/pr68680.c
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/calls.c
branches/gcc-5-branch/gcc/testsuite/ChangeLog