[Bug tree-optimization/42326] segfault in tree-data-ref.c with Graphite building 200.sixtrack

[rguenth at gcc dot gnu dot org]

------- Comment #5 from rguenth at gcc dot gnu dot org  2009-12-15 13:50 -------
I can reproduce it with the testcase in comment #1 on i?86-linux:

$ ./f951  -quiet t.f -O2 -floop-strip-mine -fprefetch-loop-arrays -msse2
t.f: In function 'blts':
t.f:1:0: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Program received signal SIGSEGV, Segmentation fault.
0x086197d5 in initialize_matrix_A (A=0xb778ecb0, chrec=0xb77d36e4, index=2, 
    mult=-1) at /home/richard/src/trunk/gcc/tree-data-ref.c:1914
1914          A[index][0] = mult * int_cst_value (CHREC_RIGHT (chrec));
(gdb) p A[index]
$4 = (lambda_vector) 0x6


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42326