gcc/testsuite/gcc.dg/cpp/tr-paste.c

   1 /* Test for proper comment elimination semantics from cpplib's -traditional.
   2    This should compile and link with compiled with `gcc -traditional-cpp'.
   3    Test case by Jason R. Thorpe <thorpej@zembu.com>.  */
   4
   5 /* { dg-do compile } */
   6 /* { dg-options "-traditional-cpp" } */
   7
   8 extern int printf (const char *, ...);
   9
  10 #define A(name) X/**/name
  11
  12 #define B(name) \
  13 void A(Y/**/name)() { A(name)(); }
  14
  15 void Xhello() { printf("hello world\n"); }
  16
  17 B(hello)
  18
  19 int main() { XYhello(); return (0); }