http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49287
--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-06-05 12:04:53 UTC --- I have forgotten to report the errors: /opt/gcc/work/gcc/testsuite/objc.dg/gnu-api-2-class.m: In function 'main': /opt/gcc/work/gcc/testsuite/objc.dg/gnu-api-2-class.m:112:7: warning: @interface of class 'MySubSubClass' not found [enabled by default] /opt/gcc/work/gcc/testsuite/objc.dg/gnu-api-2-class.m:181:7: warning: @interface of class 'MySubClass2' not found [enabled by default] and /opt/gcc/work/gcc/testsuite/objc.dg/gnu-api-2-objc.m: In function 'main': /opt/gcc/work/gcc/testsuite/objc.dg/gnu-api-2-objc.m:78:7: warning: @interface of class 'MyNewSubClass' not found [enabled by default]