------- Comment #5 from dominiq at lps dot ens dot fr 2010-04-25 15:39 ------- > Because you aren't debugging the right executable (xgcc instead of cc1). Pass > -v to the driver to get the command line involving cc1 and feed it to cc1 > directly.
Thanks for the tip. The backtrace is Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_PROTECTION_FAILURE at address: 0x00000005 0x0054f754 in read_integral_parameter () (gdb) bt #0 0x0054f754 in read_integral_parameter () #1 0x00485700 in decode_options () #2 0x00551278 in toplev_main () #3 0x00001c44 in start () -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43858
