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[Bug c/71514] ICE on C11 code with atomic exchange at -O1 and above on x86_64-linux-gnu: in copy_reference_ops_from_ref, at tree-ssa-sccvn.c:879
- From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 18 Aug 2016 16:39:21 +0000
- Subject: [Bug c/71514] ICE on C11 code with atomic exchange at -O1 and above on x86_64-linux-gnu: in copy_reference_ops_from_ref, at tree-ssa-sccvn.c:879
- Authentication-results: sourceware.org; auth=none
- Auto-submitted: auto-generated
- References: <bug-71514-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71514
--- Comment #14 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Thu Aug 18 16:38:49 2016
New Revision: 239581
URL: https://gcc.gnu.org/viewcvs?rev=239581&root=gcc&view=rev
Log:
PR c/71514
* c-common.c (get_atomic_generic_size): Disallow pointer-to-function
and pointer-to-VLA.
* gcc.dg/pr71514.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr71514.c
Modified:
trunk/gcc/c-family/ChangeLog
trunk/gcc/c-family/c-common.c
trunk/gcc/testsuite/ChangeLog