Automatic Reference Counting.
Language-design credit goes to a lot of people, but I particularly want
to single out Blaine Garst and Patrick Beard for their contributions.
Compiler implementation credit goes to Argyrios, Doug, Fariborz, and myself,
in no particular order.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133103 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaObjC/arc-property-lifetime.m b/test/SemaObjC/arc-property-lifetime.m
new file mode 100644
index 0000000..c2571a5
--- /dev/null
+++ b/test/SemaObjC/arc-property-lifetime.m
@@ -0,0 +1,112 @@
+// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-nonfragile-abi -fsyntax-only -fobjc-arc -verify %s
+// rdar://9340606
+
+@interface Foo {
+@public
+ id __unsafe_unretained x;
+ id __weak y;
+ id __autoreleasing z; // expected-error {{ivars cannot have __autoreleasing lifetime}}
+}
+@property(strong) id x; // expected-note {{property declared here}}
+@property(strong) id y; // expected-note {{property declared here}}
+@property(strong) id z;
+@end
+
+@implementation Foo
+@synthesize x; // expected-error {{existing ivar 'x' for strong property 'x' may not be __unsafe_unretained}}
+@synthesize y; // expected-error {{existing ivar 'y' for strong property 'y' may not be __weak}}
+@synthesize z; // suppressed
+@end
+
+@interface Bar {
+@public
+ id __unsafe_unretained x;
+ id __weak y;
+ id __autoreleasing z; // expected-error {{ivars cannot have __autoreleasing lifetime}}
+}
+@property(retain) id x; // expected-note {{property declared here}}
+@property(retain) id y; // expected-note {{property declared here}}
+@property(retain) id z;
+@end
+
+@implementation Bar
+@synthesize x; // expected-error {{existing ivar 'x' for strong property 'x' may not be __unsafe_unretained}}
+@synthesize y; // expected-error {{existing ivar 'y' for strong property 'y' may not be __weak}}
+@synthesize z; // suppressed
+@end
+
+@interface Bas {
+@public
+ id __unsafe_unretained x;
+ id __weak y;
+ id __autoreleasing z; // expected-error {{ivars cannot have __autoreleasing lifetime}}
+}
+@property(copy) id x; // expected-note {{property declared here}}
+@property(copy) id y; // expected-note {{property declared here}}
+@property(copy) id z;
+@end
+
+@implementation Bas
+@synthesize x; // expected-error {{existing ivar 'x' for strong property 'x' may not be __unsafe_unretained}}
+@synthesize y; // expected-error {{existing ivar 'y' for strong property 'y' may not be __weak}}
+@synthesize z; // suppressed
+@end
+
+@interface Bat
+@property(strong) __unsafe_unretained id x; // expected-error {{strong property 'x' may not also be declared __unsafe_unretained}}
+@property(strong) __autoreleasing id z; // expected-error {{strong property 'z' may not also be declared __autoreleasing}}
+@end
+
+@interface Bau
+@property(retain) __unsafe_unretained id x; // expected-error {{strong property 'x' may not also be declared __unsafe_unretained}}
+@property(retain) __autoreleasing id z; // expected-error {{strong property 'z' may not also be declared __autoreleasing}}
+@end
+
+@interface Bav
+@property(copy) __unsafe_unretained id x; // expected-error {{strong property 'x' may not also be declared __unsafe_unretained}}
+@property(copy) __autoreleasing id z; // expected-error {{strong property 'z' may not also be declared __autoreleasing}}
+@end
+
+// rdar://9341593
+@interface Gorf {
+ id __unsafe_unretained x;
+ id y;
+}
+@property(assign) id __unsafe_unretained x;
+@property(assign) id y; // expected-note {{property declared here}}
+@property(assign) id z;
+@end
+
+@implementation Gorf
+@synthesize x;
+@synthesize y; // expected-error {{existing ivar 'y' for unsafe_unretained property 'y' must be __unsafe_unretained}}
+@synthesize z;
+@end
+
+@interface Gorf2 {
+ id __unsafe_unretained x;
+ id y;
+}
+@property(unsafe_unretained) id __unsafe_unretained x;
+@property(unsafe_unretained) id y; // expected-note {{property declared here}}
+@property(unsafe_unretained) id z;
+@end
+
+@implementation Gorf2
+@synthesize x;
+@synthesize y; // expected-error {{existing ivar 'y' for unsafe_unretained property 'y' must be __unsafe_unretained}}
+@synthesize z;
+@end
+
+// rdar://9355230
+@interface I {
+ char _isAutosaving;
+}
+@property char isAutosaving;
+
+@end
+
+@implementation I
+@synthesize isAutosaving = _isAutosaving;
+@end
+