http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46037
--- Comment #10 from Jan Hubicka <hubicka at gcc dot gnu.org> 2011-01-11 00:36:33 UTC --- Hi, this should fix the issue. Index: config/darwin.c =================================================================== --- config/darwin.c (revision 168632) +++ config/darwin.c (working copy) @@ -2618,7 +2618,7 @@ if (flag_var_tracking && (generating_for_darwin_version >= 9) && debug_info_level >= DINFO_LEVEL_NORMAL - && debug_hooks->var_location != do_nothing_debug_hooks.var_location) + && write_symbols == DWARF2_DEBUG) flag_var_tracking_uninit = 1; if (MACHO_DYNAMIC_NO_PIC_P)