Fix another IdempotentOperationsChecker corner case when determining if an active block on the worklist
impacts the results of the check.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129394 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Checkers/IdempotentOperationChecker.cpp b/lib/StaticAnalyzer/Checkers/IdempotentOperationChecker.cpp
index 3c8d45e..4f4aabc 100644
--- a/lib/StaticAnalyzer/Checkers/IdempotentOperationChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/IdempotentOperationChecker.cpp
@@ -588,7 +588,7 @@
       if (!B)
         return true;
       
-      return CRA.isReachable(B, TargetBlock);
+      return B == TargetBlock || CRA.isReachable(B, TargetBlock);
     }
   };
   VisitWL visitWL(AC->getCFGStmtMap(), CB, *CRA);