http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49214
--- Comment #4 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-05-29 15:33:37 UTC --- At revision 174395, the backtrace is now Backtrace for this error: ** Something went wrong while running addr2line. ** ** Falling back to a simpler backtrace scheme. ** Backtrace for this error: 0 libgfortran.3.dylib 0x0000000100003de7 _gfortrani_show_backtrace + 55^@ 1 a.out 0x0000000100000d7f MAIN__ + 9^@ 2 a.out 0x0000000100000db7 main + 54^@ 3 a.out 0x0000000100000838 start + 52^@ 4 ??? 0x0000000000000001 0x0 + 1^@ Note the NULL terminated strings. Would it be possible to remove the trailing NULLs?