http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53342
--- Comment #11 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2013-02-05 13:35:51 UTC --- After an incremental update of r195753 with the patch in comment #10, compiling rnflow.f90 with '-O3 -ffast-math -funroll-loops' gives an executable which segfault. 0: 0: 0.135 -> Read sequence 0: 0:42.259 -> extract extrema 0: 0:42.361 -> Generate raw transitions counts 0: 0:42.566 -> Compute Markov matrix 0: 0:42.595 -> Calculate theoretical rainflow ==6222== Invalid read of size 4 ==6222== at 0x10001E9FF: evlrnf_ (rnflow.f90:2703) ==6222== by 0xFFFFFFFFFFFFFF15: ??? ==6222== by 0x10166D0CB: __strtodg (in /usr/lib/libSystem.B.dylib) ==6222== by 0xE4: ??? ==6222== Address 0x507d4c030 is not stack'd, malloc'd or (recently) free'd ==6222== ==6222== ==6222== Process terminating with default action of signal 11 (SIGSEGV) ==6222== General Protection Fault ==6222== at 0x10170EFC1: dyld_stub_binder (in /usr/lib/libSystem.B.dylib) ==6222== by 0x1015AC02F: ??? (in /opt/gcc/gcc4.8w/lib/libgfortran.3.dylib) ==6222== by 0xE64: ??? ==6222== by 0x10149AE8A: _gfortrani_st_vprintf (in /opt/gcc/gcc4.8w/lib/libgfortran.3.dylib) If needed, I'll do a clean bootstrap later this afternoon.
