https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98738
--- Comment #1 from Ilya Leoshkevich <iii at linux dot ibm.com> --- I realized I didn't post the command line I used to build task-detach-6.exe (there are multiple variants of this test); here it is: gcc/build/x86_64-pc-linux-gnu/libgomp/testsuite$ ../../../../build/./gcc/xgcc -B../../../../build/./gcc/ -B../../../../install/x86_64-pc-linux-gnu/bin/ -B../../../../install/x86_64-pc-linux-gnu/lib/ -isystem ../../../../install/x86_64-pc-linux-gnu/include -isystem ../../../../install/x86_64-pc-linux-gnu/sys-include -fchecking=1 ../../../../libgomp/testsuite/libgomp.fortran/task-detach-6.f90 -B../../../../build/x86_64-pc-linux-gnu/./libgomp/ -B../../../../build/x86_64-pc-linux-gnu/./libgomp/.libs -I../../../../build/x86_64-pc-linux-gnu/./libgomp -I../../../../libgomp/testsuite/../../include -I../../../../libgomp/testsuite/.. -fmessage-length=0 -fno-diagnostics-show-caret -fdiagnostics-color=never -fopenmp -B../../../../build/x86_64-pc-linux-gnu/./libgomp/../libquadmath/.libs/ -O1 -B../../../../build/x86_64-pc-linux-gnu/./libgomp/../libgfortran/.libs -fintrinsic-modules-path=../../../../build/x86_64-pc-linux-gnu/./libgomp -L../../../../build/x86_64-pc-linux-gnu/./libgomp/.libs -L../../../../build/x86_64-pc-linux-gnu/./libgomp/../libquadmath/.libs/ -L../../../../build/x86_64-pc-linux-gnu/./libgomp/../libgfortran/.libs -lgfortran -foffload=-lgfortran -lquadmath -lm -o ./task-detach-6.exe