More trivial upstream alignment.

dmd2/aggregate.h

@@ -217,8 +217,6 @@ struct UnionDeclaration : StructDeclaration
     UnionDeclaration *isUnionDeclaration() { return this; }
 };
 
-// warning: two classes with the same base class share the same
-//   BaseClass instance.
 struct BaseClass
 {
     Type *type;                         // (before semantic processing)

dmd2/arrayop.c

@@ -108,6 +108,7 @@ bool isArrayOpValid(Expression *e)
 
 Expression *BinExp::arrayOp(Scope *sc)
 {
+    //printf("BinExp::arrayOp() %s\n", toChars());
 
     Type *tb = type->toBasetype();
     assert(tb->ty == Tarray || tb->ty == Tsarray);