1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 char *foo(float);
3 
4 void test_foo_1(float fv, double dv, float _Complex fc, double _Complex dc) {
5   char *cp1 = foo(fv);
6   char *cp2 = foo(dv);
7   // Note: GCC and EDG reject these two, but they are valid C99 conversions
8   char *cp3 = foo(fc);
9   char *cp4 = foo(dc);
10 }
11 
12 int *foo(float _Complex);
13 
14 void test_foo_2(float fv, double dv, float _Complex fc, double _Complex dc) {
15   char *cp1 = foo(fv);
16   char *cp2 = foo(dv);
17   int *ip = foo(fc);
18   int *lp = foo(dc);
19 }
20 
21 long *foo(double _Complex);
22 
23 void test_foo_3(float fv, double dv, float _Complex fc, double _Complex dc) {
24   char *cp1 = foo(fv);
25   char *cp2 = foo(dv);
26   int *ip = foo(fc);
27   long *lp = foo(dc);
28 }
29 
30 char *promote_or_convert(double _Complex);  // expected-note{{candidate function}}
31 int *promote_or_convert(long double _Complex); // expected-note{{candidate function}}
32 
33 void test_promote_or_convert(float f, float _Complex fc) {
34   char *cp = promote_or_convert(fc);
35   int *ip2 = promote_or_convert(f); // expected-error{{call to 'promote_or_convert' is ambiguous}}
36 }
37 
38 char *promote_or_convert2(float);
39 int *promote_or_convert2(double _Complex);
40 
41 void test_promote_or_convert2(float _Complex fc) {
42   int *cp = promote_or_convert2(fc);
43 }
44 
45 char *promote_or_convert3(int _Complex); // expected-note {{candidate}}
46 int *promote_or_convert3(long _Complex); // expected-note {{candidate}}
47 
48 void test_promote_or_convert3(short _Complex sc) {
49   char *cp1 = promote_or_convert3(sc);
50   char *cp2 = promote_or_convert3(1i);
51   int *cp3 = promote_or_convert3(1il);
52   int *cp4 = promote_or_convert3(1ill); // expected-error {{ambiguous}}
53 }
54 
55 char &convert4(short _Complex);
56 char &test_convert4 = convert4(1i);
57