gnu/dist/gcc4/gcc/testsuite/gcc.dg/cpp/paste8.c

   1 /* { dg-do preprocess } */
   2 /* { dg-options "" } */
   3
   4 int foo(int, ...);
   5
   6 #define a(x, y...) foo(x, ##y)
   7 a(1)
   8 a(1, 2, 3)
   9 #define b(x, y, z...) foo(x, ##y)
  10 b(1, 2, 3)                      /* { dg-warning "valid preprocessing token" } */
  11 #define c(x, y, z...) foo(x, ##z)
  12 c(1, 2)
  13 c(1, 2, 3)
  14 #define d(x) fo(##x)
  15 d(1)                            /* { dg-warning "valid preprocessing token" } */