https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112506
--- Comment #3 from Iain Sandoe <iains at gcc dot gnu.org> --- with a case sensitive source partition on x86_64-darwin12, (I think these have also been reported, but cannot find the pR right now): === gm2 tests === Running target unix FAIL: gm2/iso/run/pass/m2date.mod execution, -g FAIL: gm2/iso/run/pass/m2date.mod execution, -O FAIL: gm2/iso/run/pass/m2date.mod execution, -O -g FAIL: gm2/iso/run/pass/m2date.mod execution, -Os FAIL: gm2/iso/run/pass/m2date.mod execution, -O3 -fomit-frame-pointer FAIL: gm2/iso/run/pass/m2date.mod execution, -O3 -fomit-frame-pointer -finline-functions FAIL: gm2/iso/run/pass/testclock.mod execution, -g FAIL: gm2/iso/run/pass/testclock.mod execution, -O FAIL: gm2/iso/run/pass/testclock.mod execution, -O -g FAIL: gm2/iso/run/pass/testclock.mod execution, -Os FAIL: gm2/iso/run/pass/testclock.mod execution, -O3 -fomit-frame-pointer FAIL: gm2/iso/run/pass/testclock.mod execution, -O3 -fomit-frame-pointer -finline-functions === gm2 Summary === # of expected passes 12884 # of unexpected failures 12