1 // RUN: %clang_cc1 -Wconversion -Wliteral-conversion -fsyntax-only -verify %s 2 3 // C DR #316, PR 3626. 4 void f0(a, b, c, d) int a,b,c,d; {} 5 void t0(void) { 6 f0(1); // expected-warning{{too few arguments}} 7 } 8 9 void f1(a, b) int a, b; {} 10 void t1(void) { 11 f1(1, 2, 3); // expected-warning{{too many arguments}} 12 } 13 14 void f2(float); // expected-note{{previous declaration is here}} 15 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}} 16 17 typedef void (*f3)(void); 18 f3 t3(int b) { return b? f0 : f1; } // okay 19 20 // <rdar://problem/8193107> 21 void f4() { 22 char *rindex(); 23 } 24 25 char *rindex(s, c) 26 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}} 27 { 28 return 0; 29 } 30 31 // PR8314 32 void proto(int); 33 void proto(x) 34 int x; 35 { 36 } 37 38 void use_proto() { 39 proto(42.1); // expected-warning{{implicit conversion from 'double' to 'int' changes value from 42.1 to 42}} 40 (&proto)(42.1); // expected-warning{{implicit conversion from 'double' to 'int' changes value from 42.1 to 42}} 41 } 42
