1 files changed, 36 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/property-impl-misuse.m b/clang/test/SemaObjC/property-impl-misuse.m
new file mode 100644
index 0000000..c3cedb0
--- /dev/null
+++ b/clang/test/SemaObjC/property-impl-misuse.m
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
+
+@interface I {
+  int Y;
+}
+@property int X;
+@property int Y;
+@property int Z;
+@end
+
+@implementation I
+@dynamic X; // expected-note {{previous declaration is here}}
+@dynamic X; // expected-error {{property 'X' is already implemented}}
+@synthesize Y; // expected-note {{previous use is here}}
+@synthesize Z=Y; // expected-error {{synthesized properties 'Z' and 'Y' both claim ivar 'Y'}}
+@end
+
+// rdar://8703553
+@interface IDEPathCell 
+{
+@private
+    id _gradientStyle;
+}
+
+@property (readwrite, assign, nonatomic) id gradientStyle;
+@end
+
+@implementation IDEPathCell
+
+@synthesize gradientStyle = _gradientStyle;
+- (void)setGradientStyle:(id)value { }
+
++ (void)_componentCellWithRepresentedObject {
+    self.gradientStyle; // expected-error {{property 'gradientStyle' not found on object of type 'Class'}}
+}
+@end