Attributes &= ~ObjCDeclSpec::DQ_PR_weak;
}
+ if ((Attributes & ObjCDeclSpec::DQ_PR_atomic) &&
+ (Attributes & ObjCDeclSpec::DQ_PR_nonatomic)) {
+ Diag(Loc, diag::err_objc_property_attr_mutually_exclusive)
+ << "atomic" << "nonatomic";
+ Attributes &= ~ObjCDeclSpec::DQ_PR_atomic;
+ }
+
// Warn if user supplied no assignment attribute, property is
// readwrite, and this is an object type.
if (!(Attributes & (ObjCDeclSpec::DQ_PR_assign | ObjCDeclSpec::DQ_PR_copy |
--- /dev/null
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+// rdar://10260017
+
+@interface Foo
+@property (nonatomic, assign, atomic) float dummy; // expected-error {{property attributes 'atomic' and 'nonatomic' are mutually exclusive}}
+@property (nonatomic, assign) float d1;
+@property (atomic, assign) float d2;
+@property (assign) float d3;
+@property (atomic, nonatomic, assign) float d4; // expected-error {{property attributes 'atomic' and 'nonatomic' are mutually exclusive}}
+@end