From fe3578650c8eb0fdfa2f539ab84769496eb00c9e Mon Sep 17 00:00:00 2001
From: Bjorn Pettersson <bjorn.a.pettersson@ericsson.com>
Date: Sun, 18 Mar 2018 16:07:20 +0000
Subject: [PATCH] Resolve unused variable 'VR' warning in
 RetainCountChecker.cpp

Getting rid of
  error: unused variable 'VR' [-Werror,-Wunused-variable]
warning/error at
  lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp:1933

llvm-svn: 327802
---
 clang/lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp
index a8917979473b..98d5fcfb9c1c 100644
--- a/clang/lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp
@@ -1931,7 +1931,7 @@ static bool isNumericLiteralExpression(const Expr *E) {
 
 static Optional<std::string> describeRegion(const MemRegion *MR) {
   if (const auto *VR = dyn_cast_or_null<VarRegion>(MR))
-    return std::string(cast<VarRegion>(MR)->getDecl()->getName());
+    return std::string(VR->getDecl()->getName());
   // Once we support more storage locations for bindings,
   // this would need to be improved.
   return None;