https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103029
Bug ID: 103029
Summary: [12 regression] gcc.dg/vect/pr82436.c ICEs on r12-4818
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:f35af8df241a9eb9c2edf7da26d3c5f53d6e2511, r12-4818
This occurs on power 7 (powerpc64 big endian):
make -k check-gcc RUNTESTFLAGS="vect.exp=gcc.dg/vect/pr82436.c"
FAIL: gcc.dg/vect/pr82436.c (internal compiler error)
FAIL: gcc.dg/vect/pr82436.c (test for excess errors)
FAIL: gcc.dg/vect/pr82436.c -flto -ffat-lto-objects (internal compiler error)
FAIL: gcc.dg/vect/pr82436.c -flto -ffat-lto-objects (test for excess errors)
# of unexpected failures 4
Executing on host: /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/vect/pr82436.c
-fdiagnostics-plain-output -maltivec -mvsx -mno-allow-movmisalign
-ftree-vectorize -fno-tree-loop-distribute-patterns -fno-vect-cost-model
-fno-common -O2 -fdump-tree-vect-details -Ofast -fno-tree-scev-cprop -S -o
pr82436.s (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/vect/pr82436.c
-fdiagnostics-plain-output -maltivec -mvsx -mno-allow-movmisalign
-ftree-vectorize -fno-tree-loop-distribute-patterns -fno-vect-cost-model
-fno-common -O2 -fdump-tree-vect-details -Ofast -fno-tree-scev-cprop -S -o
pr82436.s
during GIMPLE pass: vect
dump file: pr82436.c.169t.vect
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/vect/pr82436.c: In function
'foo':
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/vect/pr82436.c:20:5:
internal compiler error: Segmentation fault
0x10ba1eeb crash_signal
/home/seurer/gcc/git/gcc-test/gcc/toplev.c:322
0x10dc5b88 find_uses_to_rename_use
/home/seurer/gcc/git/gcc-test/gcc/tree-ssa-loop-manip.c:391
0x10dc5b88 find_uses_to_rename_bb
/home/seurer/gcc/git/gcc-test/gcc/tree-ssa-loop-manip.c:466
0x10dc9623 find_uses_to_rename
/home/seurer/gcc/git/gcc-test/gcc/tree-ssa-loop-manip.c:498
0x10dc9623 rewrite_into_loop_closed_ssa_1(bitmap_head*, unsigned int, int,
loop*)
/home/seurer/gcc/git/gcc-test/gcc/tree-ssa-loop-manip.c:664
0x10dc9623 rewrite_into_loop_closed_ssa_1(bitmap_head*, unsigned int, int,
loop*)
/home/seurer/gcc/git/gcc-test/gcc/tree-ssa-loop-manip.c:629
0x10fabbdb vectorize_loops()
/home/seurer/gcc/git/gcc-test/gcc/tree-vectorizer.c:1320
0x10def927 execute
/home/seurer/gcc/git/gcc-test/gcc/tree-ssa-loop.c:413
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
compiler exited with status 1
FAIL: gcc.dg/vect/pr82436.c (internal compiler error)
