gnu/dist/gcc4/gcc/testsuite/gcc.dg/cpp/20000529-1.c

   1 /* Regression test for bug with macro expansion on #if lines -
   2    exposed by glibc.  */
   3 /* { dg-do compile } */
   4
   5 # define SHLIB_COMPAT(lib, introduced, obsoleted) \
   6   (!(ABI_##lib##_##obsoleted - 0) \
   7    || ((ABI_##lib##_##introduced - 0) < (ABI_##lib##_##obsoleted - 0)))
   8
   9 #if 0
  10 bad
  11 #elif SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1)
  12 int
  13 #endif
  14 x;