[analyzer] Add 'isLoad' parameter in Checker::visitLocation() to conveniently distinguish between loads/stores.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123261 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Checkers/ArrayBoundChecker.cpp b/lib/StaticAnalyzer/Checkers/ArrayBoundChecker.cpp
index 13e628b..d52427b 100644
--- a/lib/StaticAnalyzer/Checkers/ArrayBoundChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/ArrayBoundChecker.cpp
@@ -27,7 +27,7 @@
 public:
   ArrayBoundChecker() : BT(0) {}
   static void *getTag() { static int x = 0; return &x; }
-  void visitLocation(CheckerContext &C, const Stmt *S, SVal l);
+  void visitLocation(CheckerContext &C, const Stmt *S, SVal l, bool isLoad);
 };
 }
 
@@ -35,7 +35,8 @@
   Eng.registerCheck(new ArrayBoundChecker());
 }
 
-void ArrayBoundChecker::visitLocation(CheckerContext &C, const Stmt *S, SVal l){
+void ArrayBoundChecker::visitLocation(CheckerContext &C, const Stmt *S, SVal l,
+                                      bool isLoad) {
   // Check for out of bound array element access.
   const MemRegion *R = l.getAsRegion();
   if (!R)