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[Bug c++/49519] [4.7 Regression] Revision 175272 miscompiled 447.dealII in SPEC CPU 2006
- From: "jason at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 25 Jun 2011 03:10:00 +0000
- Subject: [Bug c++/49519] [4.7 Regression] Revision 175272 miscompiled 447.dealII in SPEC CPU 2006
- Auto-submitted: auto-generated
- References: <bug-49519-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49519
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2011.06.25 03:09:56
CC|jason at redhat dot com |jason at gcc dot gnu.org
Ever Confirmed|0 |1
--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> 2011-06-25 03:09:56 UTC ---
Compiling step-14.cc with -O -fipa-sra -foptimize-sibling-calls is enough to
produce the crash. I think this is likely to be an IPA-SRA bug; the front end
change in question is correct. The new code is doing the same transformation
that we already do in grokparms.