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[Bug tree-optimization/43306] New: [4.5 Regression] ICE: in scan_tree_for_params_right_scev, at graphite-sese-to-poly.c:713 with -O1 -fstrict-overflow -fgraphite-identity
- From: "zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Mar 2010 14:54:47 -0000
- Subject: [Bug tree-optimization/43306] New: [4.5 Regression] ICE: in scan_tree_for_params_right_scev, at graphite-sese-to-poly.c:713 with -O1 -fstrict-overflow -fgraphite-identity
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
Command line:
gcc -O1 -fstrict-overflow -fgraphite-identity testcase.c
------ testcase.c ------
void foo(int x[])
{
int i, j;
for (i = 0; i < 2; i++)
for (j = 0; j < 2; j++)
x[i] = x[i*j];
}
------------------------
(almost the same as testsuite/gcc.dg/tree-ssa/pr34635.c)
Tested revisions:
trunk r157292 - crash
trunk r156999 - crash
trunk r153685 - crash
4.4 r157120 - OK
Output:
$ /mnt/svn/gcc-trunk/binary-156999-lto/bin/gcc -O1 -fstrict-overflow
-fgraphite-identity testcase.c
testcase.c: In function 'foo':
testcase.c:1:6: internal compiler error: in scan_tree_for_params_right_scev, at
graphite-sese-to-poly.c:713
--
Summary: [4.5 Regression] ICE: in
scan_tree_for_params_right_scev, at graphite-sese-to-
poly.c:713 with -O1 -fstrict-overflow -fgraphite-
identity
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: zsojka at seznam dot cz
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43306