http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44725
Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |paolo.carlini at oracle dot | |com Resolution| |INVALID --- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-09-25 16:16:18 UTC --- That isn't an <extension> but an ISO Core DR, whose resolution is implemented (apparently). In such cases (hundreds) we definitely don't warn. By the way, Intel and Comeau behave exactly like GCC.