gcc/testsuite/c-c++-common/pragma-diag-14.c

   1 /* { dg-do preprocess } */
   2 /* { dg-additional-options "-Wunused-macros" } */
   3
   4 /* In the past, the pragma has erroneously disabled the warning because the
   5    location was not tracked properly with -E or -save-temps; check that it works
   6    now.  */
   7
   8 #define X /* { dg-warning "-Wunused-macros" } */
   9 #pragma GCC diagnostic ignored "-Wunused-macros"