https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63851
howarth at bromo dot med.uc.edu changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |howarth at bromo dot med.uc.edu --- Comment #7 from howarth at bromo dot med.uc.edu --- (In reply to Martin Liška from comment #5) At r218792, the proposed patch reduces the fortran test suite failures on x86_64-apple-darwin14 to just... FAIL: gfortran.dg/assumed_rank_10.f90 -O3 -fomit-frame-pointer -funroll-loops execution test FAIL: gfortran.dg/assumed_rank_10.f90 -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions execution test at -m32 only which appears to backtrace as... Program aborted. Backtrace: #0 0x5db1 #1 0x6fcf #2 0xbcfc7 #3 0x1a8f #4 0x1bfa Program received signal SIGABRT, Aborted. 0x95ed369a in __pthread_kill () from /usr/lib/system/libsystem_kernel.dylib (gdb) bt #0 0x95ed369a in __pthread_kill () from /usr/lib/system/libsystem_kernel.dylib #1 0x98817f19 in pthread_kill () from /usr/lib/system/libsystem_pthread.dylib #2 0x98c72eee in abort () from /usr/lib/system/libsystem_c.dylib #3 0x00006fb0 in __gfortrani_sys_abort () at ../../../../gcc-5-20141216/libgfortran/runtime/error.c:180 #4 0x000bcfc8 in _gfortran_abort () at ../../../../gcc-5-20141216/libgfortran/intrinsics/abort.c:33 #5 0x00001a90 in ?? () Backtrace stopped: previous frame inner to this frame (corrupt stack?) Does this imply that we are missing a call to compatible_types_p() somewhere that is exposed at -m32 for this particular test case?