diff --git a/clang/lib/Checker/GRExprEngine.cpp b/clang/lib/Checker/GRExprEngine.cpp
index 2c07641..3578483 100644
--- a/clang/lib/Checker/GRExprEngine.cpp
+++ b/clang/lib/Checker/GRExprEngine.cpp
@@ -1492,7 +1492,7 @@
   bool defaultIsFeasible = false;
 
   for (iterator I = builder.begin(), EI = builder.end(); I != EI; ++I) {
-    const CaseStmt* Case = cast<CaseStmt>(I.getCase());
+    const CaseStmt* Case = I.getCase();
 
     // Evaluate the LHS of the case value.
     Expr::EvalResult V1;