if len(base) < len(sym.Name) {
				sym = &Sym{Pkg: sym.Pkg, Name: base}
			}
		}
		sconv2(b, sym, verb, mode)
		return
	}

	if int(t.Kind()) < len(BasicTypeNames) && BasicTypeNames[t.Kind()] != "" {
		var name string
		switch t {
		case UntypedBool:
			name = "untyped bool"
		case UntypedString:
			name = "untyped string"
		case UntypedInt:
			name = "untyped int"

			return walkCheckPtrArithmetic(n, init)
		}
	}
	param, result := rtconvfn(n.X.Type(), n.Type())
	if param == types.Txxx {
		return n
	}
	fn := types.BasicTypeNames[param] + "to" + types.BasicTypeNames[result]
	return typecheck.Conv(mkcall(fn, types.Types[result], init, typecheck.Conv(n.X, types.Types[param])), n.Type())
}

// walkConvInterface walks an OCONVIFACE node.