[analyzer] Remove an unnecessary check.

llvm-svn: 145984
diff --git a/clang/lib/StaticAnalyzer/Checkers/TaintTesterChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/TaintTesterChecker.cpp
index 0819e86..415346f 100644
--- a/clang/lib/StaticAnalyzer/Checkers/TaintTesterChecker.cpp
+++ b/clang/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);