https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83219
Bug ID: 83219 Summary: [8 regression] c-c++-common/ubsan/unreachable-2.c fails starting with r255201 Product: gcc Version: 8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other Assignee: unassigned at gcc dot gnu.org Reporter: seurer at gcc dot gnu.org Target Milestone: --- Saw this on powerpc64 both LE and BE. This test case is looking for a specific failure c-c++-common/ubsan/unreachable-2.c:11:41: runtime error: execution reached a __builtin_unreachable() call but after this revision it no longer occurs. Executing on host: /home/seurer/gcc/build/gcc-trunk/gcc/testsuite/g++1/../../xg++ -B/home/seurer/gcc/build/gcc-trunk/gcc/testsuite/g++1/../../ /home/seurer/gcc/gcc-trunk/gcc/testsuite/c-c++-common/ubsan/unreachable-2.c -fno-diagnostics-show-caret -fdiagnostics-color=never -nostdinc++ -I/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/libstdc++-v3/include/powerpc64le-unknown-linux-gnu -I/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/libstdc++-v3/include -I/home/seurer/gcc/gcc-trunk/libstdc++-v3/libsupc++ -I/home/seurer/gcc/gcc-trunk/libstdc++-v3/include/backward -I/home/seurer/gcc/gcc-trunk/libstdc++-v3/testsuite/util -fmessage-length=0 -O2 -fsanitize=unreachable -B/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libsanitizer/ -B/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libsanitizer/ubsan/ -L/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libsanitizer/ubsan/.libs -L/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs -B/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs -L/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs -B/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libitm/ -L/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libitm/.libs -lm -o ./unreachable-2.exe (timeout = 300) spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-trunk/gcc/testsuite/g++1/../../xg++ -B/home/seurer/gcc/build/gcc-trunk/gcc/testsuite/g++1/../../ /home/seurer/gcc/gcc-trunk/gcc/testsuite/c-c++-common/ubsan/unreachable-2.c -fno-diagnostics-show-caret -fdiagnostics-color=never -nostdinc++ -I/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/libstdc++-v3/include/powerpc64le-unknown-linux-gnu -I/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/libstdc++-v3/include -I/home/seurer/gcc/gcc-trunk/libstdc++-v3/libsupc++ -I/home/seurer/gcc/gcc-trunk/libstdc++-v3/include/backward -I/home/seurer/gcc/gcc-trunk/libstdc++-v3/testsuite/util -fmessage-length=0 -O2 -fsanitize=unreachable -B/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libsanitizer/ -B/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libsanitizer/ubsan/ -L/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libsanitizer/ubsan/.libs -L/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs -B/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs -L/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs -B/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libitm/ -L/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libitm/.libs -lm -o ./unreachable-2.exe PASS: c-c++-common/ubsan/unreachable-2.c -O2 (test for excess errors) Setting LD_LIBRARY_PATH to .:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libitm/.libs:/home/seurer/gcc/build/gcc-trunk/gcc:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libsanitizer/ubsan/.libs:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs:.:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libitm/.libs:/home/seurer/gcc/build/gcc-trunk/gcc:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libsanitizer/ubsan/.libs:/home/seurer/gcc/build/gcc-trunk/powerpc64le-unknown-linux-gnu/./libstdc++-v3/src/.libs:/home/seurer/gcc/build/gcc-trunk/./gmp/.libs:/home/seurer/gcc/build/gcc-trunk/./prev-gmp/.libs:/home/seurer/gcc/build/gcc-trunk/./mpfr/src/.libs:/home/seurer/gcc/build/gcc-trunk/./prev-mpfr/src/.libs:/home/seurer/gcc/build/gcc-trunk/./mpc/src/.libs:/home/seurer/gcc/build/gcc-trunk/./prev-mpc/src/.libs:/home/seurer/gcc/build/gcc-trunk/./isl/.libs:/home/seurer/gcc/build/gcc-trunk/./prev-isl/.libs:/home/seurer/gcc/install/gcc-7.1.0/lib64 spawn [open ...] FAIL: c-c++-common/ubsan/unreachable-2.c -O2 execution test