Don't allow non-empty ParenListExprs as array-new initializers.

Don't know what I was thinking there. Fixes PR12023.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150804 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 1f50984..ca84119 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -981,11 +981,8 @@
                                        Expr *Init) {
   if (!Init)
     return true;
-  if (ParenListExpr *PLE = dyn_cast<ParenListExpr>(Init)) {
-    if (PLE->getNumExprs() != 1)
-      return PLE->getNumExprs() == 0;
-    Init = PLE->getExpr(0);
-  }
+  if (ParenListExpr *PLE = dyn_cast<ParenListExpr>(Init))
+    return PLE->getNumExprs() == 0;
   if (isa<ImplicitValueInitExpr>(Init))
     return true;
   else if (CXXConstructExpr *CCE = dyn_cast<CXXConstructExpr>(Init))