| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | char *foo(float); |
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| 3 | |
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| 4 | void test_foo_1(float fv, double dv, float _Complex fc, double _Complex dc) { |
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| 5 | char *cp1 = foo(fv); |
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| 6 | char *cp2 = foo(dv); |
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| 7 | // Note: GCC and EDG reject these two, they are valid C99 conversions but |
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| 8 | // shouldn't be accepted in C++ because the result is surprising. |
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| 9 | char *cp3 = foo(fc); // expected-error {{implicit conversion from '_Complex float' to 'float' is not permitted in C++}} |
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| 10 | char *cp4 = foo(dc); // expected-error {{implicit conversion from '_Complex double' to 'float' is not permitted in C++}} |
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| 11 | } |
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| 12 | |
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| 13 | int *foo(float _Complex); |
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| 14 | |
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| 15 | void test_foo_2(float fv, double dv, float _Complex fc, double _Complex dc) { |
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| 16 | char *cp1 = foo(fv); |
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| 17 | char *cp2 = foo(dv); |
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| 18 | int *ip = foo(fc); |
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| 19 | int *lp = foo(dc); |
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| 20 | } |
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| 21 | |
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| 22 | long *foo(double _Complex); |
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| 23 | |
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| 24 | void test_foo_3(float fv, double dv, float _Complex fc, double _Complex dc) { |
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| 25 | char *cp1 = foo(fv); |
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| 26 | char *cp2 = foo(dv); |
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| 27 | int *ip = foo(fc); |
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| 28 | long *lp = foo(dc); |
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| 29 | } |
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| 30 | |
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| 31 | char *promote_or_convert(double _Complex); // expected-note{{candidate function}} |
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| 32 | int *promote_or_convert(long double _Complex); // expected-note{{candidate function}} |
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| 33 | |
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| 34 | void test_promote_or_convert(float f, float _Complex fc) { |
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| 35 | char *cp = promote_or_convert(fc); |
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| 36 | int *ip2 = promote_or_convert(f); // expected-error{{call to 'promote_or_convert' is ambiguous}} |
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| 37 | } |
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| 38 | |
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| 39 | char *promote_or_convert2(float); |
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| 40 | int *promote_or_convert2(double _Complex); |
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| 41 | |
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| 42 | void test_promote_or_convert2(float _Complex fc) { |
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| 43 | int *cp = promote_or_convert2(fc); |
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| 44 | } |
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| 45 | |
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| 46 | char *promote_or_convert3(int _Complex); // expected-note {{candidate}} |
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| 47 | int *promote_or_convert3(long _Complex); // expected-note {{candidate}} |
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| 48 | |
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| 49 | void test_promote_or_convert3(short _Complex sc) { |
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| 50 | char *cp1 = promote_or_convert3(sc); |
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| 51 | char *cp2 = promote_or_convert3(1i); |
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| 52 | int *cp3 = promote_or_convert3(1il); |
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| 53 | int *cp4 = promote_or_convert3(1ill); // expected-error {{ambiguous}} |
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| 54 | } |
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| 55 | |
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| 56 | char &convert4(short _Complex); |
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| 57 | char &test_convert4 = convert4(1i); |
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| 58 | |
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