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.

llvm-svn: 133103
diff --git a/clang/lib/Analysis/ReachableCode.cpp b/clang/lib/Analysis/ReachableCode.cpp
index 9ac456f..c5b17fc 100644
--- a/clang/lib/Analysis/ReachableCode.cpp
+++ b/clang/lib/Analysis/ReachableCode.cpp
@@ -16,6 +16,7 @@
 #include "llvm/ADT/SmallVector.h"
 #include "clang/AST/Expr.h"
 #include "clang/AST/ExprCXX.h"
+#include "clang/AST/ExprObjC.h"
 #include "clang/AST/StmtCXX.h"
 #include "clang/Analysis/Analyses/ReachableCode.h"
 #include "clang/Analysis/CFG.h"
@@ -108,6 +109,11 @@
     case Stmt::CXXTryStmtClass: {
       return cast<CXXTryStmt>(S)->getHandler(0)->getCatchLoc();
     }
+    case Expr::ObjCBridgedCastExprClass: {
+      const ObjCBridgedCastExpr *CSC = cast<ObjCBridgedCastExpr>(S);
+      R1 = CSC->getSubExpr()->getSourceRange();
+      return CSC->getLParenLoc();
+    }
     default: ;
   }
   R1 = S->getSourceRange();