http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46947
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |FIXED --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2010-12-14 22:18:38 UTC --- GCC 4.2 is no longer maintained, you need to report it to Apple or use a more recent, official FSF release. 4.4.5 gives main.cpp: In function ‘int main(int, char* const*)’: main.cpp:17: sorry, unimplemented: mangling template_id_expr and 4.5.2 compiles it successfully