diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp
--- a/clang/lib/Sema/SemaExprCXX.cpp
+++ b/clang/lib/Sema/SemaExprCXX.cpp
@@ -2079,6 +2079,9 @@
   if (CheckAllocatedType(AllocType, TypeRange.getBegin(), TypeRange))
     return ExprError();
 
+  if (ArraySize && !checkArrayElementAlignment(AllocType, TypeRange.getBegin()))
+    return ExprError();
+
   // In ARC, infer 'retaining' for the allocated
   if (getLangOpts().ObjCAutoRefCount &&
       AllocType.getObjCLifetime() == Qualifiers::OCL_None &&
@@ -2449,8 +2452,6 @@
   else if (RequireNonAbstractType(Loc, AllocType,
                                   diag::err_allocation_of_abstract_type))
     return true;
-  else if (!checkArrayElementAlignment(AllocType, Loc))
-    return true;
   else if (AllocType->isVariablyModifiedType())
     return Diag(Loc, diag::err_variably_modified_new_type)
              << AllocType;
diff --git a/clang/test/SemaCXX/array-alignment.cpp b/clang/test/SemaCXX/array-alignment.cpp
--- a/clang/test/SemaCXX/array-alignment.cpp
+++ b/clang/test/SemaCXX/array-alignment.cpp
@@ -33,4 +33,5 @@
   auto p3 = new AlignedStruct[1];
   auto p4 = (AlignedPackedStruct(*)[1])p; // expected-error {{size of array element}}
   auto p5 = new AlignedPackedStruct[1]; // expected-error {{size of array element}}
+  auto p6 = new AlignedPackedStruct;
 }