llvm-project/clang/test/Sema/function.c

92 lines
2.8 KiB
C

// RUN: clang-cc %s -fsyntax-only -verify -pedantic
// PR1892
void f(double a[restrict][5]); // should promote to restrict ptr.
void f(double (* restrict a)[5]);
int foo (__const char *__path);
int foo(__const char *__restrict __file);
void func(const char*); // expected-note {{previous declaration is here}}
void func(char*); // expected-error{{conflicting types for 'func'}}
void g(int (*)(const void **, const void **));
void g(int (*compar)()) {
}
void h(); // expected-note {{previous declaration is here}}
void h (const char *fmt, ...) {} // expected-error{{conflicting types for 'h'}}
// PR1965
int t5(b); // expected-error {{parameter list without types}}
int t6(int x, g); // expected-warning {{type specifier missing, defaults to 'int'}}
int t7(, ); // expected-error {{expected parameter declarator}} expected-error {{expected parameter declarator}}
int t8(, int a); // expected-error {{expected parameter declarator}}
int t9(int a, ); // expected-error {{expected parameter declarator}}
// PR2042
void t10(){}
void t11(){t10(1);} // expected-warning{{too many arguments}}
// PR3208
void t12(int) {} // expected-error{{parameter name omitted}}
// PR2790
void t13() {
return 0; // expected-warning {{void function 't13' should not return a value}}
}
int t14() {
return; // expected-warning {{non-void function 't14' should return a value}}
}
// <rdar://problem/6097326>
y(y) { return y; } // expected-warning{{parameter 'y' was not declared, defaulting to type 'int'}} \
// expected-warning{{type specifier missing, defaults to 'int'}}
// PR3137, <rdar://problem/6127293>
extern int g0_3137(void);
void f0_3137() {
int g0_3137(void);
}
void f1_3137() {
int (*fp)(void) = g0_3137;
}
void f1static() {
static void f2static(int); // expected-error{{function declared in block scope cannot have 'static' storage class}}
register void f2register(int); // expected-error{{illegal storage class on function}}
}
struct incomplete_test a(void) {} // expected-error{{incomplete result type 'struct incomplete_test' in function definition}} \
// expected-note{{forward declaration of 'struct incomplete_test'}}
extern __inline
__attribute__((__gnu_inline__))
void gnu_inline1() {}
void
__attribute__((__gnu_inline__)) // expected-warning {{'gnu_inline' attribute requires function to be marked 'inline', attribute ignored}}
gnu_inline2() {}
// rdar://6802350
inline foo_t invalid_type() { // expected-error {{unknown type name 'foo_t'}}
}
typedef void fn_t(void);
fn_t t17;
// PR4049
unknown_type t18(void*) { // expected-error {{unknown type name 'unknown_type'}} expected-error{{parameter name omitted}}
}
unknown_type t19(int* P) { // expected-error {{unknown type name 'unknown_type'}}
P = P+1; // no warning.
}
// missing ',' before '...'
void t20(int i...) { } // expected-error {{requires a comma}}