When dealing with an assignment with LHS being a property reference

expression, the entire assignment tree is rewritten into a property
setter messaging. This includes rewriting the RHS. 
Do not attempt to rewrite RHS again. Never rewrite a rewritten text!
Fixes //rdar: //8527018.

llvm-svn: 116104

1 files changed, 21 insertions, 0 deletions

diff --git a/clang/test/Rewriter/rewrite-property-set-cfstring.mm b/clang/test/Rewriter/rewrite-property-set-cfstring.mm
new file mode 100644
index 00000000000..5e670bf751d
--- /dev/null
+++ b/clang/test/Rewriter/rewrite-property-set-cfstring.mm
@@ -0,0 +1,21 @@
+// RUN: %clang_cc1 -x objective-c++ -Wno-return-type -fblocks -fms-extensions -rewrite-objc %s -o %t-rw.cpp
+// RUN: %clang_cc1 -fsyntax-only -fblocks -Wno-address-of-temporary -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
+// rdar:// 8527018
+
+void *sel_registerName(const char *);
+
+@class NSString;
+@interface CoreDAVDiscoveryAccountInfo  {
+  NSString *_scheme;
+}
+@property (retain) NSString *scheme;
+- (void) Meth ;
+@end
+
+@implementation CoreDAVDiscoveryAccountInfo
+@synthesize scheme=_scheme;
+- (void) Meth {
+  CoreDAVDiscoveryAccountInfo *discoveryInfo;
+  discoveryInfo.scheme = @"https";
+}
+@end