gcc/testsuite/gcc.dg/cpp/trad/mi3.c

   1 /* Another test case for over-eager multiple include optimization.
   2    This one distilled from glibc's setlocale.c and categories.def.  */
   3 /* { dg-do compile } */
   4
   5 #define X a
   6 #include "mi3.def"
   7 #undef X
   8
   9 #define X b
  10 #include "mi3.def"
  11 #undef X
  12
  13 #include "mi3.h"
  14 #include "mi3.h"  /* The second include declares variable c.  */
  15
  16 int
  17 main(void)
  18 {
  19   return a + b + c;
  20 }