// RUN: %clang_cc1 %s -verify -fsyntax-only

class ClassA {};

class ClassB {
public:
  ClassB(ClassA* parent=0);
  ~ClassB();
};

@interface NSObject
@end

@interface InterfaceA : NSObject
@property(nonatomic, assign) ClassA *m_prop1; // expected-note {{here}}
@property(nonatomic, assign) ClassB *m_prop2;
@end

@implementation InterfaceA
- (id)test {
  self.m_prop2 = new ClassB(m_prop1); // expected-error {{use of undeclared identifier 'm_prop1'; did you mean '_m_prop1'?}}
}
@end

// rdar://30310772

@interface InvalidNameInIvarAndPropertyBase
{
@public
  float  _a;
}
@property float _b;
@end

void invalidNameInIvarAndPropertyBase() {
  float a = ((InvalidNameInIvarAndPropertyBase*)node)->_a; // expected-error {{use of undeclared identifier 'node'}}
  float b = ((InvalidNameInIvarAndPropertyBase*)node)._b; // expected-error {{use of undeclared identifier 'node'}}
}