MoonSung Zhang

Following code generates ambiguous call error in the recent node of "concepts" branch (c01a40b29a0). But it compiles ok in the version of the compiler explorer (godbolt.org) site ! I do...

this code generates `error : cannot yet mangle expression type ImplicitCastExpr` ~~~ template< bool _ = []( int n, int m ) constexpr { return n < m; }( 1,...