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