test/SemaCXX/attr-unavailable.cpp

   1 // RUN: clang-cc -fsyntax-only -verify %s
   2
   3 int &foo(int);
   4 double &foo(double);
   5 void foo(...) __attribute__((__unavailable__)); // expected-note {{candidate function}} \
   6 // expected-note{{function has been explicitly marked unavailable here}}
   7
   8 void bar(...) __attribute__((__unavailable__)); // expected-note 2{{explicitly marked unavailable}}
   9
  10 void test_foo(short* sp) {
  11   int &ir = foo(1);
  12   double &dr = foo(1.0);
  13   foo(sp); // expected-error{{call to unavailable function 'foo'}}
  14
  15   void (*fp)(...) = &bar; // expected-warning{{'bar' is unavailable}}
  16   void (*fp2)(...) = bar; // expected-warning{{'bar' is unavailable}}
  17
  18   int &(*fp3)(int) = foo;
  19   void (*fp4)(...) = foo; // expected-warning{{'foo' is unavailable}}
  20 }