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// RUN: %clang_cc1 -fsyntax-only -verify %s
char *foo(float);
void test_foo_1(float fv, double dv, float _Complex fc, double _Complex dc) {
char *cp1 = foo(fv);
char *cp2 = foo(dv);
// Note: GCC and EDG reject these two, they are valid C99 conversions but
// shouldn't be accepted in C++ because the result is surprising.
char *cp3 = foo(fc); // expected-error {{implicit conversion from '_Complex float' to 'float' is not permitted in C++}}
char *cp4 = foo(dc); // expected-error {{implicit conversion from '_Complex double' to 'float' is not permitted in C++}}
}
int *foo(float _Complex);
void test_foo_2(float fv, double dv, float _Complex fc, double _Complex dc) {
char *cp1 = foo(fv);
char *cp2 = foo(dv);
int *ip = foo(fc);
int *lp = foo(dc);
}
long *foo(double _Complex);
void test_foo_3(float fv, double dv, float _Complex fc, double _Complex dc) {
char *cp1 = foo(fv);
char *cp2 = foo(dv);
int *ip = foo(fc);
long *lp = foo(dc);
}
char *promote_or_convert(double _Complex); // expected-note{{candidate function}}
int *promote_or_convert(long double _Complex); // expected-note{{candidate function}}
void test_promote_or_convert(float f, float _Complex fc) {
char *cp = promote_or_convert(fc);
int *ip2 = promote_or_convert(f); // expected-error{{call to 'promote_or_convert' is ambiguous}}
}
char *promote_or_convert2(float);
int *promote_or_convert2(double _Complex);
void test_promote_or_convert2(float _Complex fc) {
int *cp = promote_or_convert2(fc);
}
char *promote_or_convert3(int _Complex); // expected-note {{candidate}}
int *promote_or_convert3(long _Complex); // expected-note {{candidate}}
void test_promote_or_convert3(short _Complex sc) {
char *cp1 = promote_or_convert3(sc);
char *cp2 = promote_or_convert3(1i);
int *cp3 = promote_or_convert3(1il);
int *cp4 = promote_or_convert3(1ill); // expected-error {{ambiguous}}
}
char &convert4(short _Complex);
char &test_convert4 = convert4(1i);
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