gcc/testsuite/gcc.dg/Wduplicate-decl-specifier-c11.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-std=c11 -Wduplicate-decl-specifier" } */
   3
   4 typedef _Atomic int AT1;
   5 #define AT2 _Atomic int
   6
   7 void
   8 foo (void)
   9 {
  10   _Atomic AT1 x1;
  11   _Atomic AT2 x2;
  12   AT1 _Atomic x3;
  13   AT2 _Atomic x4;
  14   _Atomic int _Atomic x5; /* { dg-warning "duplicate ._Atomic." } */
  15 }
  16
  17 void a1(_Atomic AT1 t) { }
  18 void a2(_Atomic AT2 t) { }
  19 void a3(AT1 _Atomic t) { }
  20 void a4(AT2 _Atomic t) { }
  21 void a5(_Atomic int _Atomic t) { }  /* { dg-warning "duplicate ._Atomic." } */
  22
  23 typedef _Atomic AT1 AAT1;
  24 typedef _Atomic AT2 AAT2;
  25 typedef AT1 _Atomic AT1A;
  26 typedef AT2 _Atomic AT2A;
  27 typedef _Atomic int _Atomic AIA;    /* { dg-warning "duplicate ._Atomic." } */