[Bug debug/53453] darwin linker expects both AT_name and AT_comp_dir debug notes

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53453

--- Comment #1 from Jack Howarth <howarth at nitro dot med.uc.edu> 2012-05-22 
13:33:01 UTC ---
It looks like the lines...

      if (!IS_ABSOLUTE_PATH (filename) && filename[0] != '<')
        add_comp_dir_attribute (die);

in gen_compile_unit_die() of dwarf2out.c need adjusted for darwin to
insure that add_comp_dir_attribute (die) is always called.