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      1 // RUN: %clang_cc1 -fsyntax-only -verify %s
      2 // rdar: //6734520
      3 
      4 int foo(int)  __attribute__((__unavailable__("USE IFOO INSTEAD"))); // expected-note {{function has been explicitly marked unavailable here}}
      5 double dfoo(double)  __attribute__((__unavailable__("NO LONGER"))); // expected-note 2 {{function has been explicitly marked unavailable here}}
      6 
      7 void bar() __attribute__((__unavailable__)); // expected-note {{explicitly marked unavailable}}
      8 
      9 void test_foo() {
     10   int ir = foo(1); // expected-error {{'foo' is unavailable: USE IFOO INSTEAD}}
     11   double dr = dfoo(1.0); // expected-error {{'dfoo' is unavailable: NO LONGER}}
     12 
     13   void (*fp)() = &bar; // expected-error {{'bar' is unavailable}}
     14 
     15   double (*fp4)(double) = dfoo;  // expected-error {{'dfoo' is unavailable: NO LONGER}}
     16 }
     17 
     18 char test2[__has_feature(attribute_unavailable_with_message) ? 1 : -1];
     19 
     20 // rdar://9623855
     21 void unavail(void)  __attribute__((__unavailable__));
     22 void unavail(void) {
     23   // No complains inside an unavailable function.
     24   int ir = foo(1);
     25   double dr = dfoo(1.0);
     26   void (*fp)() = &bar;
     27   double (*fp4)(double) = dfoo;
     28 }
     29