clang/test/Sema/deref.c

   1 /* RUN: %clang_cc1 -fsyntax-only -verify -std=c90 -pedantic %s
   2  */
   3 void
   4 foo (void)
   5 {
   6  struct b;
   7  struct b* x = 0;
   8  struct b* y = &*x;
   9 }
  10
  11 void foo2 (void)
  12 {
  13  typedef int (*arrayptr)[];
  14  arrayptr x = 0;
  15  arrayptr y = &*x;
  16 }
  17
  18 void foo3 (void)
  19 {
  20  void* x = 0;
  21  void* y = &*x; /* expected-warning{{address of an expression of type 'void'}}
  22                    expected-warning {{ISO C does not allow indirection on operand of type 'void *'}} */
  23 }
  24
  25 extern const void cv1;
  26
  27 const void *foo4 (void)
  28 {
  29   return &cv1;
  30 }
  31
  32 extern void cv2;
  33 void *foo5 (void)
  34 {
  35   return &cv2; /* expected-warning{{address of an expression of type 'void'}} */
  36 }
  37
  38 typedef const void CVT;
  39 extern CVT cv3;
  40
  41 const void *foo6 (void)
  42 {
  43   return &cv3;
  44 }
  45