gcc/testsuite/c-c++-common/cpp/pr58844-1.c

   1 /* PR preprocessor/58844 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-ftrack-macro-expansion=0" } */
   4
   5 #define A x######x
   6 int A = 1;
   7 #define A x######x      /* { dg-message "-:previous definition" } */
   8 #define A x##x          /* { dg-warning "-:redefined" } */