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
