This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/51396] [4.7 Regression] ICE: verify_flow_info failed: BB 4 can not throw but has an EH edge with -O2 -fnon-call-exceptions -mfma4
- 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, 05 Dec 2011 20:56:18 +0000
- Subject: [Bug tree-optimization/51396] [4.7 Regression] ICE: verify_flow_info failed: BB 4 can not throw but has an EH edge with -O2 -fnon-call-exceptions -mfma4
- Auto-submitted: auto-generated
- References: <bug-51396-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51396
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-05 20:56:18 UTC ---
Author: jakub
Date: Mon Dec 5 20:56:14 2011
New Revision: 182028
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182028
Log:
PR tree-optimization/51396
* tree-ssa-math-opts.c (convert_mult_to_fma): Don't optimize
if MUL_RESULT has zero uses.
* g++.dg/opt/pr51396.C: New test.
Added:
trunk/gcc/testsuite/g++.dg/opt/pr51396.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-math-opts.c