llvm-project/clang/test/SemaObjC/arc-decls.m

// RUN: %clang_cc1 -fsyntax-only -fobjc-arc -fobjc-nonfragile-abi -verify %s

// rdar://8843524

struct A {
    id x; // expected-error {{ARC forbids Objective-C objects in structs or unions}}
};

union u {
    id u; // expected-error {{ARC forbids Objective-C objects in structs or unions}}
};

@interface I {
   struct A a; 
   struct B {
    id y[10][20]; // expected-error {{ARC forbids Objective-C objects in structs or unions}}
    id z;
   } b;

   union u c; 
};
@end

struct S { 
    id __attribute__((objc_ownership(none))) i;
    void * vp;
    int i1;
};

// rdar://9046528

@class NSError;

__autoreleasing id X; // expected-error {{global variables cannot have __autoreleasing ownership}}
__autoreleasing NSError *E; // expected-error {{global variables cannot have __autoreleasing ownership}}


extern id __autoreleasing X1; // expected-error {{global variables cannot have __autoreleasing ownership}}

void func()
{
    id X;
    static id __autoreleasing X1; // expected-error {{global variables cannot have __autoreleasing ownership}}
    extern id __autoreleasing E; // expected-error {{global variables cannot have __autoreleasing ownership}}

}

// rdar://9157348

@interface J
@property (retain) id newFoo; // expected-note {{property declared here}}
@property (strong) id copyBar; // expected-note {{property declared here}}
@property (copy) id allocBaz; // expected-note {{property declared here}}
@property (copy, nonatomic) id new;
@end

@implementation J
@synthesize newFoo;	// expected-error {{property's synthesized getter follows Cocoa naming convention for returning}}
@synthesize copyBar;	// expected-error {{property's synthesized getter follows Cocoa naming convention for returning}}
@synthesize allocBaz;	// expected-error {{property's synthesized getter follows Cocoa naming convention for returning}}
@synthesize new;
- new {return 0; };
@end