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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: Mon, 09 Jan 2012 14:41:04 +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 #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-09 14:41:04 UTC ---
Re-confirmed. Reduced testcase:
void f (unsigned *s)
{
int n;
for (n = 0; n < 256; n++)
s[n] = 0;
}