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      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