https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100152
--- Comment #51 from lucier at math dot purdue.edu --- I'm running fink: i expect 5.45-206 Tool for automatic interactive applications i dejagnu 1.6.1-1 Framework for testing other programs i tcltk 1:8.6.10-2 Tool Command Language and the Tk toolkit If you suggest they upgrade, I'll pass along the suggestion. The end of x86_64-apple-darwin19/libstdc++/testsuite/libstdc++.log is spawn -ignore SIGHUP /Users/lucier/programs/gcc/objdirs/gcc-test/./gcc/xg++ -shared-libgcc -B/Users/lucier/programs/gcc/objdirs/gcc-test/./gcc -nostdinc++ -L/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/libstdc++-v3/src -L/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/libstdc++-v3/src/.libs -L/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/libstdc++-v3/libsupc++/.libs -B/usr/local/gcc-mainline/x86_64-apple-darwin19.6.0/bin/ -B/usr/local/gcc-mainline/x86_64-apple-darwin19.6.0/lib/ -isystem /usr/local/gcc-mainline/x86_64-apple-darwin19.6.0/include -isystem /usr/local/gcc-mainline/x86_64-apple-darwin19.6.0/sys-include -fchecking=1 -B/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/./libstdc++-v3/src/.libs -fmessage-length=0 -fno-show-column -ffunction-sections -fdata-sections -g -O2 -DLOCALEDIR="." -nostdinc++ -I/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/libstdc++-v3/include/x86_64-apple-darwin19.6.0 -I/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/libstdc++-v3/include -I/Users/lucier/programs/gcc/gcc-mainline/libstdc++-v3/libsupc++ -I/Users/lucier/programs/gcc/gcc-mainline/libstdc++-v3/include/backward -I/Users/lucier/programs/gcc/gcc-mainline/libstdc++-v3/testsuite/util /Users/lucier/programs/gcc/gcc-mainline/libstdc++-v3/testsuite/29_atomics/atomic_integral/wait_notify.cc -std=gnu++2a -pthread -fdiagnostics-plain-output ./libtestc++.a -liconv -L/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/libstdc++-v3/src/filesystem/.libs -lm -o ./wait_notify.exe^M PASS: 29_atomics/atomic_integral/wait_notify.cc (test for excess errors) Setting LD_LIBRARY_PATH to :/Users/lucier/programs/gcc/objdirs/gcc-test/gcc:/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/./libstdc++-v3/../libatomic/.libs:/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/./libstdc++-v3/../libgomp/.libs:/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/./libstdc++-v3/src/.libs::/Users/lucier/programs/gcc/objdirs/gcc-test/gcc:/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/./libstdc++-v3/../libatomic/.libs:/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/./libstdc++-v3/../libgomp/.libs:/Users/lucier/programs/gcc/objdirs/gcc-test/x86_64-apple-darwin19.6.0/./libstdc++-v3/src/.libs Execution timeout is: 300 spawn [open ...]^M WARNING: program timed out.