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)