gcc/testsuite/c-c++-common/pr69543-3.c

   1 /* { dg-options "-Wuninitialized" } */
   2
   3 /* Verify disabling a warning, where the _Pragma is in regular code,
   4    but the affected code is within a macro.  */
   5
   6 /* TODO: XFAIL: both C and C++ erroneously fail to suppress the warning
   7    The warning is reported at the macro definition location, rather than
   8    the macro expansion location.  */
   9
  10 #define WARNABLE_CODE *++yyvsp = yylval; /* { dg-bogus "used uninitialized" "" { xfail *-*-* } } */
  11
  12 void test (char yylval)
  13 {
  14   char *yyvsp; /* { dg-bogus "declared here" "" { xfail *-*-* } } */
  15   _Pragma ("GCC diagnostic push")
  16   _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")
  17   _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
  18   WARNABLE_CODE
  19   _Pragma ("GCC diagnostic pop")
  20 }