https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80948
Bug ID: 80948 Summary: [8 regression] test case gcc.dg/torture/pr68017.c fails with ICE starting with r248771 Product: gcc Version: 8.0 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: --- Fails on powerpc64 LE and BE for power8/7/6 make -k check-gcc RUNTESTFLAGS=dg-torture.exp=gcc.dg/torture/pr68017.c spawn /home/seurer/gcc/build/gcc-test/gcc/xgcc -B/home/seurer/gcc/build/gcc-test/gcc/ /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/torture/pr68017.c -fno-diagnostics-show-caret -fdiagnostics-color=never -O3 -g -g -S -o pr68017.s /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/torture/pr68017.c: In function 'fn2': /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/torture/pr68017.c:13:1: error: definition in block 3 follows the use for SSA_NAME: _16 in statement: _5 = _16 * 2; during GIMPLE pass: tailc /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/torture/pr68017.c:13:1: internal compiler error: verify_ssa failed 0x10be7a9b verify_ssa(bool, bool) /home/seurer/gcc/gcc-test/gcc/tree-ssa.c:1183 0x10829a0f execute_function_todo /home/seurer/gcc/gcc-test/gcc/passes.c:1995 0x1082a613 do_per_function /home/seurer/gcc/gcc-test/gcc/passes.c:1654 0x1082a893 execute_todo /home/seurer/gcc/gcc-test/gcc/passes.c:2042 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 output is: /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/torture/pr68017.c: In function 'fn2': /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/torture/pr68017.c:13:1: error: definition in block 3 follows the use for SSA_NAME: _16 in statement: _5 = _16 * 2; during GIMPLE pass: tailc /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/torture/pr68017.c:13:1: internal compiler error: verify_ssa failed 0x10be7a9b verify_ssa(bool, bool) /home/seurer/gcc/gcc-test/gcc/tree-ssa.c:1183 0x10829a0f execute_function_todo /home/seurer/gcc/gcc-test/gcc/passes.c:1995 0x1082a613 do_per_function /home/seurer/gcc/gcc-test/gcc/passes.c:1654 0x1082a893 execute_todo /home/seurer/gcc/gcc-test/gcc/passes.c:2042 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. FAIL: gcc.dg/torture/pr68017.c -O3 -g (internal compiler error) FAIL: gcc.dg/torture/pr68017.c -O3 -g (test for excess errors) Excess errors: /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/torture/pr68017.c:13:1: error: definition in block 3 follows the use for SSA_NAME: _16 in statement: _5 = _16 * 2; during GIMPLE pass: tailc /home/seurer/gcc/gcc-test/gcc/testsuite/gcc.dg/torture/pr68017.c:13:1: internal compiler error: verify_ssa failed 0x10be7a9b verify_ssa(bool, bool) /home/seurer/gcc/gcc-test/gcc/tree-ssa.c:1183 0x10829a0f execute_function_todo /home/seurer/gcc/gcc-test/gcc/passes.c:1995 0x1082a613 do_per_function /home/seurer/gcc/gcc-test/gcc/passes.c:1654 0x1082a893 execute_todo /home/seurer/gcc/gcc-test/gcc/passes.c:2042