gcc-4.9/gcc/testsuite/g++.dg/cpp/ucn-1.C


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// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2170.html
// { dg-do compile { target c++11 } }
// { dg-options "-fextended-identifiers" }

int main()
{
  "\u0041";			// 'A' UCN is OK in string literal
  '\u0041';			// also OK in character literal

  int c\u0041c;		      // { dg-error "not valid in an identifier" }
  int c\u0024c;		      // $ is OK; not part of basic source char set

  U"\uD800";		  // { dg-error "not a valid universal character" }
}