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[Bug optimization/12628] New: [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt
- From: "falk at debian dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 15 Oct 2003 22:18:59 -0000
- Subject: [Bug optimization/12628] New: [3.4 regression] Segfault with -fno-expensive-optimizations -fno-rerun-loop-opt
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12628
Summary: [3.4 regression] Segfault with -fno-expensive-
optimizations -fno-rerun-loop-opt
Product: gcc
Version: 3.4
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: critical
Priority: P2
Component: optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: falk at debian dot org
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: alphaev68-unknown-linux-gnu
GCC host triplet: alphaev68-unknown-linux-gnu
GCC target triplet: alphaev68-unknown-linux-gnu
GNU C version 3.4 20031012 (experimental) (alphaev68-unknown-linux-gnu)
falk@juist:/tmp% cat min2.c
int outbuf[100];
int outcnt;
int bi_buf;
void send_bits(void)
{
bi_buf = 0;
outbuf[outcnt++] = 8;
outbuf[outcnt++] = 8;
if (outcnt)
bi_buf = 1;
}
falk@juist:/tmp% gcc -O2 -c -fno-expensive-optimizations -fno-rerun-loop-opt
min2.c
min2.c: In function `send_bits':
min2.c:11: internal compiler error: Segmentation fault
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See <URL:http://gcc.gnu.org/bugs.html> for instructions.
Also happens on tree-ssa.