http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48238
--- Comment #6 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-03-22 22:10:23 UTC --- > For such tests it is better to use -fno-merge-debug-strings in dg-options and > match what that produces, otherwise the regexps need to cover both merging and > non-merging... On x86_64-apple-darwin10.6.0 '-fno-merge-debug-strings' does not change the assembly.