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1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s2 3typedef const void * VoidStar;4 5typedef struct __CFDictionary * CFMDRef;6 7void RandomFunc(CFMDRef theDict, const void *key, const void *value);8 9@interface Foo10- (void)_apply:(void (*)(const void *, const void *, void *))func context:(void *)context;11- (void)a:(id *)objects b:(id *)keys;12@end13 14@implementation Foo15- (void)_apply:(void (*)(const void *, const void *, void *))func context:(void *)context {16 id item;17 id obj;18 func(item, obj, context);19}20 21- (void)a:(id *)objects b:(id *)keys {22 VoidStar dict;23 id key;24 RandomFunc((CFMDRef)dict, key, objects[3]);25}26@end27 28@interface I29- (void) Meth : (I*) Arg; // expected-note{{passing argument to parameter 'Arg' here}}30@end31 32void Func (I* arg); // expected-note {{candidate function not viable: no known conversion from 'const I *' to 'I *' for 1st argument}}33 34void foo(const I *p, I* sel) {35 [sel Meth : p]; // expected-error {{cannot initialize a parameter of type 'I *' with an lvalue of type 'const I *'}}36 Func(p); // expected-error {{no matching function for call to 'Func'}}37}38 39@interface DerivedFromI : I40@end41 42void accept_derived(DerivedFromI*);43 44void test_base_to_derived(I* i) {45 accept_derived(i); // expected-error{{incompatible pointer types passing 'I *' to parameter of type 'DerivedFromI *'}}46 DerivedFromI *di = i; // expected-error{{incompatible pointer types initializing 'DerivedFromI *' with an expression of type 'I *'}}47 DerivedFromI *di2 = (DerivedFromI *)i;48}49