http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52071
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |rejects-valid --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-31 20:04:05 UTC --- > vc = (C2(C1(x = y))); I don't know what the C++ standard says but GCC is parsing this as a function declaration. Comeau C++ online parses it as a constructor.