C++1y is now C++14!

Changes diagnostic options, language standard options, diagnostic identifiers, diagnostic wording to use c++14 instead of c++1y. It also modifies related test cases to use the updated diagnostic wording.

llvm-svn: 215982
diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp
index 49d1fdf..3367401 100644
--- a/clang/lib/Sema/SemaExprCXX.cpp
+++ b/clang/lib/Sema/SemaExprCXX.cpp
@@ -1083,7 +1083,7 @@
       DeclaratorChunk::ArrayTypeInfo &Array = D.getTypeObject(I).Arr;
       if (Expr *NumElts = (Expr *)Array.NumElts) {
         if (!NumElts->isTypeDependent() && !NumElts->isValueDependent()) {
-          if (getLangOpts().CPlusPlus1y) {
+          if (getLangOpts().CPlusPlus14) {
 	    // C++1y [expr.new]p6: Every constant-expression in a noptr-new-declarator
 	    //   shall be a converted constant expression (5.19) of type std::size_t
 	    //   and shall evaluate to a strictly positive value.
@@ -1257,7 +1257,7 @@
   //   std::size_t.
   if (ArraySize && !ArraySize->isTypeDependent()) {
     ExprResult ConvertedSize;
-    if (getLangOpts().CPlusPlus1y) {
+    if (getLangOpts().CPlusPlus14) {
       assert(Context.getTargetInfo().getIntWidth() && "Builtin type of size 0?");
 
       ConvertedSize = PerformImplicitConversion(ArraySize, Context.getSizeType(),