1 //RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 namespace PR16570 { 4 int f1(int, int); 5 int f2(const int, int); 6 int f3(int&, int); 7 int f4(const int&, int); 8 good()9 void good() { 10 int(*g1)(int, int) = f1; 11 int(*g2)(const int, int) = f1; 12 int(*g3)(volatile int, int) = f1; 13 int(*g4)(int, int) = f2; 14 int(*g5)(const int, int) = f2; 15 int(*g6)(volatile int, int) = f2; 16 int(*g7)(int&, int) = f3; 17 int(*g8)(const int&, int) = f4; 18 } 19 bad()20 void bad() { 21 void (*g1)(int, int) = f1; 22 // expected-error@-1 {{different return type ('void' vs 'int'}} 23 const int (*g2)(int, int) = f1; 24 // expected-error@-1 {{different return type ('const int' vs 'int')}} 25 26 int (*g3)(char, int) = f1; 27 // expected-error@-1 {{type mismatch at 1st parameter ('char' vs 'int')}} 28 int (*g4)(int, char) = f1; 29 // expected-error@-1 {{type mismatch at 2nd parameter ('char' vs 'int')}} 30 31 int (*g5)(int) = f1; 32 // expected-error@-1 {{different number of parameters (1 vs 2)}} 33 34 int (*g6)(int, int, int) = f1; 35 // expected-error@-1 {{different number of parameters (3 vs 2)}} 36 37 int (*g7)(const int, char) = f1; 38 // expected-error@-1 {{type mismatch at 2nd parameter ('char' vs 'int')}} 39 int (*g8)(int, char) = f2; 40 // expected-error@-1 {{type mismatch at 2nd parameter ('char' vs 'int')}} 41 int (*g9)(const int&, char) = f3; 42 // expected-error@-1 {{type mismatch at 1st parameter ('const int &' vs 'int &')}} 43 int (*g10)(int&, char) = f4; 44 // expected-error@-1 {{type mismatch at 1st parameter ('int &' vs 'const int &')}} 45 } 46 47 typedef void (*F)(const char * __restrict__, int); 48 void g(const char *, unsigned); 49 F f = g; 50 // expected-error@-1 {{type mismatch at 2nd parameter ('int' vs 'unsigned int')}} 51 52 } 53