1*67e74705SXin Li //RUN: %clang_cc1 -fsyntax-only -verify %s 2*67e74705SXin Li 3*67e74705SXin Li namespace PR16570 { 4*67e74705SXin Li int f1(int, int); 5*67e74705SXin Li int f2(const int, int); 6*67e74705SXin Li int f3(int&, int); 7*67e74705SXin Li int f4(const int&, int); 8*67e74705SXin Li good()9*67e74705SXin Li void good() { 10*67e74705SXin Li int(*g1)(int, int) = f1; 11*67e74705SXin Li int(*g2)(const int, int) = f1; 12*67e74705SXin Li int(*g3)(volatile int, int) = f1; 13*67e74705SXin Li int(*g4)(int, int) = f2; 14*67e74705SXin Li int(*g5)(const int, int) = f2; 15*67e74705SXin Li int(*g6)(volatile int, int) = f2; 16*67e74705SXin Li int(*g7)(int&, int) = f3; 17*67e74705SXin Li int(*g8)(const int&, int) = f4; 18*67e74705SXin Li } 19*67e74705SXin Li bad()20*67e74705SXin Li void bad() { 21*67e74705SXin Li void (*g1)(int, int) = f1; 22*67e74705SXin Li // expected-error@-1 {{different return type ('void' vs 'int'}} 23*67e74705SXin Li const int (*g2)(int, int) = f1; 24*67e74705SXin Li // expected-error@-1 {{different return type ('const int' vs 'int')}} 25*67e74705SXin Li 26*67e74705SXin Li int (*g3)(char, int) = f1; 27*67e74705SXin Li // expected-error@-1 {{type mismatch at 1st parameter ('char' vs 'int')}} 28*67e74705SXin Li int (*g4)(int, char) = f1; 29*67e74705SXin Li // expected-error@-1 {{type mismatch at 2nd parameter ('char' vs 'int')}} 30*67e74705SXin Li 31*67e74705SXin Li int (*g5)(int) = f1; 32*67e74705SXin Li // expected-error@-1 {{different number of parameters (1 vs 2)}} 33*67e74705SXin Li 34*67e74705SXin Li int (*g6)(int, int, int) = f1; 35*67e74705SXin Li // expected-error@-1 {{different number of parameters (3 vs 2)}} 36*67e74705SXin Li 37*67e74705SXin Li int (*g7)(const int, char) = f1; 38*67e74705SXin Li // expected-error@-1 {{type mismatch at 2nd parameter ('char' vs 'int')}} 39*67e74705SXin Li int (*g8)(int, char) = f2; 40*67e74705SXin Li // expected-error@-1 {{type mismatch at 2nd parameter ('char' vs 'int')}} 41*67e74705SXin Li int (*g9)(const int&, char) = f3; 42*67e74705SXin Li // expected-error@-1 {{type mismatch at 1st parameter ('const int &' vs 'int &')}} 43*67e74705SXin Li int (*g10)(int&, char) = f4; 44*67e74705SXin Li // expected-error@-1 {{type mismatch at 1st parameter ('int &' vs 'const int &')}} 45*67e74705SXin Li } 46*67e74705SXin Li 47*67e74705SXin Li typedef void (*F)(const char * __restrict__, int); 48*67e74705SXin Li void g(const char *, unsigned); 49*67e74705SXin Li F f = g; 50*67e74705SXin Li // expected-error@-1 {{type mismatch at 2nd parameter ('int' vs 'unsigned int')}} 51*67e74705SXin Li 52*67e74705SXin Li } 53