gcc/testsuite/gcc.dg/cpp/paste15.c

   1 /* PR preprocessor/20077 */
   2 /* { dg-do preprocess } */
   3
   4 #define a   a ## ## /* { dg-error "end of a macro expansion" } */
   5 #define b() b ## ## /* { dg-error "end of a macro expansion" } */
   6 #define c   c ##    /* { dg-error "end of a macro expansion" } */
   7 #define d() d ##    /* { dg-error "end of a macro expansion" } */
   8
   9
  10 #define e   ## ## e /* { dg-error "end of a macro expansion" } */
  11 #define f() ## ## f /* { dg-error "end of a macro expansion" } */
  12 #define g   ## g    /* { dg-error "end of a macro expansion" } */
  13 #define h() ## h    /* { dg-error "end of a macro expansion" } */
  14 #define i   ##      /* { dg-error "end of a macro expansion" } */
  15 #define j() ##      /* { dg-error "end of a macro expansion" } */