https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92844
Bug ID: 92844 Summary: [10 regression] libgomp.fortran/use_device_ptr-optional-2.f90 fails after r279004 Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libgomp Assignee: unassigned at gcc dot gnu.org Reporter: seurer at gcc dot gnu.org CC: jakub at gcc dot gnu.org Target Milestone: --- Executing on host: /home/seurer/gcc/build/gcc-test/gcc/xgcc -B/home/seurer/gcc/build/gcc-test/gcc/ /home/seurer/gcc/gcc-test/libgomp/testsuite/libgomp.fortran/use_device_ptr-optional-2.f90 -B/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/ -B/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/.libs -I/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp -I/home/seurer/gcc/gcc-test/libgomp/testsuite/../../include -I/home/seurer/gcc/gcc-test/libgomp/testsuite/.. -fmessage-length=0 -fno-diagnostics-show-caret -Wno-hsa -fdiagnostics-color=never -fopenmp -B/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libquadmath/.libs/ -O -B/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libgfortran/.libs -fintrinsic-modules-path=/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp -L/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/.libs -L/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libquadmath/.libs/ -L/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libgfortran/.libs -lgfortran -foffload=-lgfortran -lquadmath -lm -o ./use_device_ptr-optional-2.exe (timeout = 300) spawn -ignore SIGHUP /home/seurer/gcc/build/gcc-test/gcc/xgcc -B/home/seurer/gcc/build/gcc-test/gcc/ /home/seurer/gcc/gcc-test/libgomp/testsuite/libgomp.fortran/use_device_ptr-optional-2.f90 -B/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/ -B/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/.libs -I/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp -I/home/seurer/gcc/gcc-test/libgomp/testsuite/../../include -I/home/seurer/gcc/gcc-test/libgomp/testsuite/.. -fmessage-length=0 -fno-diagnostics-show-caret -Wno-hsa -fdiagnostics-color=never -fopenmp -B/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libquadmath/.libs/ -O -B/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libgfortran/.libs -fintrinsic-modules-path=/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp -L/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/.libs -L/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libquadmath/.libs/ -L/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libgfortran/.libs -lgfortran -foffload=-lgfortran -lquadmath -lm -o ./use_device_ptr-optional-2.exe PASS: libgomp.fortran/use_device_ptr-optional-2.f90 -O (test for excess errors) Setting LD_LIBRARY_PATH to .:/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/.libs:/home/seurer/gcc/build/gcc-test/gcc:/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libgfortran/.libs:/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libquadmath/.libs:.:/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/.libs:/home/seurer/gcc/build/gcc-test/gcc:/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libgfortran/.libs:/home/seurer/gcc/build/gcc-test/powerpc64le-unknown-linux-gnu/./libgomp/../libquadmath/.libs:/home/seurer/gcc/build/gcc-test/./gmp/.libs:/home/seurer/gcc/build/gcc-test/./prev-gmp/.libs:/home/seurer/gcc/build/gcc-test/./mpfr/src/.libs:/home/seurer/gcc/build/gcc-test/./prev-mpfr/src/.libs:/home/seurer/gcc/build/gcc-test/./mpc/src/.libs:/home/seurer/gcc/build/gcc-test/./prev-mpc/src/.libs:/home/seurer/gcc/build/gcc-test/./isl/.libs:/home/seurer/gcc/build/gcc-test/./prev-isl/.libs:/home/seurer/gcc/install/gcc-7.4.0/lib64 Execution timeout is: 300 spawn [open ...] Program received signal SIGSEGV: Segmentation fault - invalid memory reference. Backtrace for this error: #0 0x3fffa38a04d7 in ??? #1 0x3fffa2ff38c8 in ??? FAIL: libgomp.fortran/use_device_ptr-optional-2.f90 -O execution test testcase /home/seurer/gcc/gcc-test/libgomp/testsuite/libgomp.fortran/fortran.exp completed in 0 seconds Trying it in gdb (compiled without -O and with -g) I see: (gdb) run Starting program: /home/seurer/gcc/build/gcc-test/use_device_ptr-optional-2.exe [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/powerpc64le-linux-gnu/libthread_db.so.1". Program received signal SIGSEGV, Segmentation fault. 0x00000000100014ec in main (argc=<error reading variable: Cannot access memory at address 0x20>, argv=<error reading variable: Cannot access memory at address 0x28>) at /home/seurer/gcc/gcc-test/libgomp/testsuite/libgomp.fortran/use_device_ptr-optional-2.f90:6 6 call foo() (gdb) where #0 0x00000000100014ec in main (argc=<error reading variable: Cannot access memory at address 0x20>, argv=<error reading variable: Cannot access memory at address 0x28>) at /home/seurer/gcc/gcc-test/libgomp/testsuite/libgomp.fortran/use_device_ptr-optional-2.f90:6 Backtrace stopped: Cannot access memory at address 0x50