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      1 // RUN: %clang_cc1 -fsyntax-only -verify %s
      2 
      3 void f() const; // expected-error {{non-member function cannot have 'const' qualifier}}
      4 void (*pf)() const; // expected-error {{pointer to function type cannot have 'const' qualifier}}
      5 extern void (&rf)() const; // expected-error {{reference to function type cannot have 'const' qualifier}}
      6 
      7 typedef void cfn() const;
      8 cfn f2; // expected-error {{non-member function of type 'cfn' (aka 'void () const') cannot have 'const' qualifier}}
      9 
     10 class C {
     11   void f() const;
     12   cfn f2;
     13   static void f3() const; // expected-error {{static member function cannot have 'const' qualifier}}
     14   static cfn f4; // expected-error {{static member function of type 'cfn' (aka 'void () const') cannot have 'const' qualifier}}
     15 
     16   void m1() {
     17     x = 0;
     18   }
     19 
     20   void m2() const {
     21     x = 0; // expected-error {{read-only variable is not assignable}}
     22   }
     23 
     24   int x;
     25 };
     26 
     27 void (C::*mpf)() const;
     28 cfn C::*mpg;
     29 
     30 // Don't crash!
     31 void (PR14171)() const; // expected-error {{non-member function cannot have 'const' qualifier}}
     32 
     33 // Test template instantiation of decayed array types.  Not really related to
     34 // type quals.
     35 template <typename T> void arrayDecay(const T a[]) { }
     36 void instantiateArrayDecay() {
     37   int a[1];
     38   arrayDecay(a);
     39 }
     40