1 files changed, 11 insertions, 0 deletions
diff --git a/lib/AST/DeclObjC.cpp b/lib/AST/DeclObjC.cpp
index 4d48ad8e4f..d28a910d0a 100644
--- a/lib/AST/DeclObjC.cpp
+++ b/lib/AST/DeclObjC.cpp
@@ -16,6 +16,7 @@
 #include "clang/AST/Stmt.h"
 #include "clang/AST/ASTMutationListener.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallString.h"
 using namespace clang;
 
 //===----------------------------------------------------------------------===//
@@ -93,6 +94,16 @@ ObjCPropertyDecl::findPropertyDecl(const DeclContext *DC,
   return 0;
 }
 
+IdentifierInfo *
+ObjCPropertyDecl::getDefaultSynthIvarName(ASTContext &Ctx) const {
+  SmallString<128> ivarName;
+  {
+    llvm::raw_svector_ostream os(ivarName);
+    os << '_' << getIdentifier()->getName();
+  }
+  return &Ctx.Idents.get(ivarName.str());
+}
+
 /// FindPropertyDeclaration - Finds declaration of the property given its name
 /// in 'PropertyId' and returns it. It returns 0, if not found.
 ObjCPropertyDecl *