[arcmt] In GC, handle (assign) @properties.

-Move __strong/__weak added to a property type to the property attribute,
e.g.  "@property (assign) __weak Foo *prop;" --> "@property (weak) Foo *prop;"

-Remove (assign) in a property so that it becomes strong-by-default in ARC.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143979 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 38 insertions, 0 deletions

diff --git a/test/ARCMT/GC.m b/test/ARCMT/GC.m
index b3ba2a4211..e49bca8fa3 100644
--- a/test/ARCMT/GC.m
+++ b/test/ARCMT/GC.m
@@ -48,3 +48,22 @@ __attribute__((objc_arc_weak_reference_unavailable))
   __weak QQ *q;
 }
 @end
+
+@interface I3
+@property (assign) I3 *__weak pw1, *__weak pw2;
+@property (assign) I3 *__strong ps;
+@property (assign) I3 * pds;
+@end
+
+@interface I4Impl {
+  I4Impl *pds2;
+}
+@property (assign) I4Impl *__weak pw1, *__weak pw2;
+@property (assign) I4Impl *__strong ps;
+@property (assign) I4Impl * pds;
+@property (assign) I4Impl * pds2;
+@end
+
+@implementation I4Impl
+@synthesize pw1, pw2, ps, pds, pds2;
+@end
diff --git a/test/ARCMT/GC.m.result b/test/ARCMT/GC.m.result
index 405219ff3a..67a70e3dd2 100644
--- a/test/ARCMT/GC.m.result
+++ b/test/ARCMT/GC.m.result
@@ -43,3 +43,22 @@ __attribute__((objc_arc_weak_reference_unavailable))
   __unsafe_unretained QQ *q;
 }
 @end
+
+@interface I3
+@property (weak) I3 * pw1, * pw2;
+@property (strong) I3 * ps;
+@property (assign) I3 * pds;
+@end
+
+@interface I4Impl {
+  I4Impl *pds2;
+}
+@property (weak) I4Impl * pw1, * pw2;
+@property  I4Impl * ps;
+@property  I4Impl * pds;
+@property  I4Impl * pds2;
+@end
+
+@implementation I4Impl
+@synthesize pw1, pw2, ps, pds, pds2;
+@end