http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54407
--- Comment #8 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-10-14 20:48:21 UTC --- > The dg-compile line oddly seems to suppress the running of the compiled test. > ... What happens if you replace the line // { dg-do compile { target *-*-darwin[4-9]* *-*-darwin10* } } with // { dg-do compile { target *-*-darwin9* *-*-darwin10* } } ?