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[Bug tree-optimization/63748] [4.9/5 Regression] wrong may be used uninitialized warning (abnormal edges)
- From: "ppalka at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 10 Nov 2014 20:44:12 +0000
- Subject: [Bug tree-optimization/63748] [4.9/5 Regression] wrong may be used uninitialized warning (abnormal edges)
- Auto-submitted: auto-generated
- References: <bug-63748-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63748
--- Comment #7 from ppalka at gcc dot gnu.org ---
Author: ppalka
Date: Mon Nov 10 20:43:40 2014
New Revision: 217317
URL: https://gcc.gnu.org/viewcvs?rev=217317&root=gcc&view=rev
Log:
2014-11-10 Patrick Palka <ppalka@gcc.gnu.org>
gcc/
PR middle-end/63748
* tree-ssa-propagate.c (may_propagate_copy): Allow propagating
SSA copies whose source and destination names both occur in
abnormal PHIs.
gcc/testsuite/
PR middle-end/63748
* gcc.dg/pr63748.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/pr63748.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-propagate.c