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| // RUN: %clang_cc1 -funknown-anytype -fsyntax-only -verify %s
namespace test0 {
extern __unknown_anytype test0;
extern __unknown_anytype test1();
extern __unknown_anytype test2(int);
}
namespace test1 {
extern __unknown_anytype foo;
int test() {
// TODO: it would be great if the 'cannot initialize' errors
// turned into something more interesting. It's just a matter of
// making sure that these locations check for placeholder types
// properly.
int x = foo; // expected-error {{'foo' has unknown type}}
int y = 0 + foo; // expected-error {{'foo' has unknown type}}
return foo; // expected-error {{'foo' has unknown type}}
}
}
namespace test2 {
extern __unknown_anytype foo();
void test() {
foo(); // expected-error {{'foo' has unknown return type}}
}
}
namespace test3 {
extern __unknown_anytype foo;
void test() {
foo(); // expected-error {{call to unsupported expression with unknown type}}
((void(void)) foo)(); // expected-error {{variable 'foo' with unknown type cannot be given a function type}}
}
}
// rdar://problem/9899447
namespace test4 {
extern __unknown_anytype test0(...);
extern __unknown_anytype test1(...);
void test() {
void (*fn)(int) = (void(*)(int)) test0;
int x = (int) test1; // expected-error {{function 'test1' with unknown type must be given a function type}}
}
}
// rdar://problem/23959960
namespace test5 {
template<typename T> struct X; // expected-note{{template is declared here}}
extern __unknown_anytype test0(...);
void test() {
(X<int>)test0(); // expected-error{{implicit instantiation of undefined template 'test5::X<int>'}}
}
}
namespace test6 {
extern __unknown_anytype func();
extern __unknown_anytype var;
double *d;
void test() {
d = (double*)&func(); // expected-error{{address-of operator cannot be applied to a call to a function with unknown return type}}
d = (double*)&var;
}
}
|