1 // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s 2 3 int a<::> = { 1, 2, 3 }; 4 int b = a<:::a<:0:>:>; 5 bool c = a<:0:><::b; 6 f()7template<int &n> void f() {} 8 template void f<::b>(); 9 10 #define x a<:: ## : b :> 11 int d = x; // expected-error {{pasting formed ':::', an invalid preprocessing token}} expected-error {{expected unqualified-id}} 12 13 const char xs[] = R"(\ 14 ??=\U0000)"; 15 static_assert(sizeof(xs) == 12, "did not revert all changes"); 16