Skip NamedArg in underlyingArgument

Author: nicolasstucki

compiler/src/dotty/tools/dotc/ast/tpd.scala

@@ -952,6 +952,8 @@ object tpd extends Trees.Instance[Type] with TypedTreeInfo {
         }
       case Inlined(_, _, arg) =>
         arg.underlyingArgument
+      case NamedArg(_, arg) =>
+        arg.underlyingArgument
       case tree =>
         super.transform(tree)
     }

tests/run/i5119b.check

@@ -1,4 +1,4 @@
-Term.NamedArg("arg1", Term.Apply(Term.Ident("foo"), List(Term.Literal(Constant.Int(1)))))
-Term.NamedArg("arg2", Term.Apply(Term.Ident("foo"), List(Term.Literal(Constant.Int(2)))))
+Term.Apply(Term.Ident("foo"), List(Term.Literal(Constant.Int(1))))
+Term.Apply(Term.Ident("foo"), List(Term.Literal(Constant.Int(2))))
 Term.Apply(Term.Ident("foo"), List(Term.Literal(Constant.Int(4))))
 Term.Apply(Term.Ident("foo"), List(Term.Literal(Constant.Int(3))))