gcc/testsuite/gcc.dg/cpp/ucnid-14-utf8.c - gcc - Git at Google

 /* Verify macro definitions with UTF-8 are output in -dD output with
    the original spelling.  */
 /* { dg-do preprocess } */
 /* { dg-options "-std=c99 -dD" } */
 /* { dg-final { scan-file ucnid-14-utf8.i "Á" } } */
 #define a Á
	/* Verify macro definitions with UTF-8 are output in -dD output with
	the original spelling. */
	/* { dg-do preprocess } */
	/* { dg-options "-std=c99 -dD" } */
	/* { dg-final { scan-file ucnid-14-utf8.i "Á" } } */
	#define a Á