[Bug debug/46749] gcc.dg/debug/pr41893-1.c -gdwarf-2 testsuite failures on darwin

[iains at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46749

--- Comment #28 from Iain Sandoe <iains at gcc dot gnu.org> 2010-12-03 12:10:42 UTC ---
another thing that might help is to hack gcc/spec to put "dsymutil --symtab"
that causes dsymutil to dump what it found in the exec and exit without doing
the debug-link.