llvm-project/clang/test/Analysis/rdar-6600344-nil-receiver-u...

26 lines
677 B
Objective-C

// RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -analyzer-constraints=basic -analyzer-store=region %s -verify
typedef struct Foo { int x; } Bar;
@interface MyClass {}
- (Bar)foo;
@end
@implementation MyClass
- (Bar)foo {
struct Foo f = { 0 };
return f;
}
@end
void createFoo() {
MyClass *obj = 0;
Bar f = [obj foo]; // expected-warning{{The receiver of message 'foo' is nil and returns a value of type 'Bar' that will be garbage}}
}
void createFoo2() {
MyClass *obj = 0;
[obj foo]; // no-warning
Bar f = [obj foo]; // expected-warning{{The receiver of message 'foo' is nil and returns a value of type 'Bar' that will be garbage}}
}