[analyzer] Remove an unnecessary check.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145984 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Checkers/TaintTesterChecker.cpp b/lib/StaticAnalyzer/Checkers/TaintTesterChecker.cpp
index 0819e86..415346f 100644
--- a/lib/StaticAnalyzer/Checkers/TaintTesterChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/TaintTesterChecker.cpp
@@ -47,7 +47,7 @@
   if (!State)
     return;
 
-  if (E && State->isTainted(E)) {
+  if (State->isTainted(E)) {
     if (ExplodedNode *N = C.addTransition()) {
       initBugType();
       BugReport *report = new BugReport(*BT, "tainted",N);