gcc/testsuite/gcc.dg/utf-dflt2.c

   1 /* If not gnu99, the u8 prefix should be parsed as separate tokens. */
   2 /* { dg-do compile } */
   3 /* { dg-options "-std=gnu89" } */
   4
   5 const void      *s0 = u8"a";            /* { dg-error "undeclared" "undeclared" } */
   6                 /* { dg-error "expected ',' or ';'" "expected" { target *-*-* } .-1 } */
   7
   8 #define u8      "a"
   9
  10 const void      *s1 = u8"a";
  11
  12 int main () {}