Port getLocStart -> getBeginLoc

Reviewers: javed.absar

Subscribers: nemanjai, kbarton, ilya-biryukov, ioeric, jkorous, arphaman, jfb, cfe-commits

Differential Revision: https://reviews.llvm.org/D50354

llvm-svn: 339400
diff --git a/clang-tools-extra/clang-tidy/readability/MisplacedArrayIndexCheck.cpp b/clang-tools-extra/clang-tidy/readability/MisplacedArrayIndexCheck.cpp
index f5e09fa..3d1971b 100644
--- a/clang-tools-extra/clang-tidy/readability/MisplacedArrayIndexCheck.cpp
+++ b/clang-tools-extra/clang-tidy/readability/MisplacedArrayIndexCheck.cpp
@@ -30,7 +30,7 @@
   const auto *ArraySubscriptE =
       Result.Nodes.getNodeAs<ArraySubscriptExpr>("expr");
 
-  auto Diag = diag(ArraySubscriptE->getLocStart(), "confusing array subscript "
+  auto Diag = diag(ArraySubscriptE->getBeginLoc(), "confusing array subscript "
                                                    "expression, usually the "
                                                    "index is inside the []");