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[Bug tree-optimization/40676] [4.5 Regression] internal compiler error: verify_ssa error: definition in block 5 does not dominate use in block 7
- From: "hubicka at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Jul 2009 10:27:26 -0000
- Subject: [Bug tree-optimization/40676] [4.5 Regression] internal compiler error: verify_ssa error: definition in block 5 does not dominate use in block 7
- References: <bug-40676-3760@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from hubicka at gcc dot gnu dot org 2009-07-19 10:27 -------
Subject: Bug 40676
Author: hubicka
Date: Sun Jul 19 10:27:07 2009
New Revision: 149789
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149789
Log:
PR tree-optimization/40676
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
virtual PHIs in empty BBs.
* gcc.c-torture/compile/pr40676.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.c-torture/compile/pr40676.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-dce.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40676