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[Bug tree-optimization/50561] [4.7 regression] ICE when compiling zlib with -O2 -floop-flatten -floop-strip-mine
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 15 Feb 2012 12:20:23 +0000
- Subject: [Bug tree-optimization/50561] [4.7 regression] ICE when compiling zlib with -O2 -floop-flatten -floop-strip-mine
- Auto-submitted: auto-generated
- References: <bug-50561-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50561
--- Comment #10 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-15 12:20:23 UTC ---
Author: rguenth
Date: Wed Feb 15 12:20:10 2012
New Revision: 184265
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184265
Log:
2012-02-15 Tobias Grosser <grosser@fim.uni-passau.de>
PR tree-optimization/50561
* graphite-flattening.c (lst_project_loop): Do not
remove old scattering dimensions after flattening.
(lst_do_flatten): Likewise.
* gcc.dg/graphite/pr50561.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/graphite/pr50561.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/graphite-flattening.c
trunk/gcc/testsuite/ChangeLog