http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55056
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-07 12:06:40 UTC --- (In reply to comment #5) > (In reply to comment #3) > > -Og -g0 doesn't produce debug info, so it should fail all debugger tests. > > -Og -g should work. > > -Og -g0 is needed for GDB testsuite which expects unchanged CFLAGS produce no > DWARF while adding -g to them produces the proper (-Og in this case) dwarf. > From GCC standpoint it was -Og -g0 -g. Even though it might be confusing, plain -Og does not generate debug info (thus it's equivalent to -Og -g0) ;) I suppose the reason this no longer works is (again) that we don't run var-tracking at -O0. Thus indeed WONTFIX may be reasonable. Leaving at P3 for now.
