42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
|
// 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(42.1); // expected-warning{{implicit conversion turns literal floating-point number into integer}}
|
||
|
|
(&proto)(42.1); // expected-warning{{implicit conversion turns literal floating-point number into integer}}
|
||
|
|
}
|