More improvements to abstract type checking. Handle arrays correctly, and make sure to check parameter types before they decay.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67550 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index ad2dba7..6f33c00 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -788,6 +788,9 @@
   
   if (!getLangOptions().CPlusPlus)
     return false;
+  
+  if (const ArrayType *AT = Context.getAsArrayType(T))
+    return RequireNonAbstractType(Loc, AT->getElementType(), DiagID, SelID);
     
   const RecordType *RT = T->getAsRecordType();
   if (!RT)