| // RUN: %clang_cc1 -Wconversion -Wliteral-conversion -fsyntax-only -verify %s |
| |
| // C DR #316, PR 3626. |
| void f0(a, b, c, d) int a,b,c,d; {} |
| void t0(void) { |
| f0(1); // expected-warning{{too few arguments}} |
| } |
| |
| void f1(a, b) int a, b; {} |
| void t1(void) { |
| f1(1, 2, 3); // expected-warning{{too many arguments}} |
| } |
| |
| void f2(float); // expected-note{{previous declaration is here}} |
| void f2(x) float x; { } // expected-warning{{promoted type 'double' of K&R function parameter is not compatible with the parameter type 'float' declared in a previous prototype}} |
| |
| typedef void (*f3)(void); |
| f3 t3(int b) { return b? f0 : f1; } // okay |
| |
| // <rdar://problem/8193107> |
| void f4() { |
| char *rindex(); |
| } |
| |
| char *rindex(s, c) |
| register char *s, c; // expected-warning{{promoted type 'char *' of K&R function parameter is not compatible with the parameter type 'const char *' declared in a previous prototype}} |
| { |
| return 0; |
| } |
| |
| // PR8314 |
| void proto(int); |
| void proto(x) |
| int x; |
| { |
| } |
| |
| void use_proto() { |
| proto(42.0); // expected-warning{{implicit conversion turns literal floating-point number into integer}} |
| (&proto)(42.0); // expected-warning{{implicit conversion turns literal floating-point number into integer}} |
| } |