Some accumulated cleanup done while profiling a...

Some accumulated cleanup done while profiling and reducing uses of
length. No review.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/compiler/scala/tools/nsc/ast/parser/SymbolicXMLBuilder.scala b/src/compiler/scala/tools/nsc/ast/parser/SymbolicXMLBuilder.scala
index 81bb5db286..a78e46ea84 100644
--- a/src/compiler/scala/tools/nsc/ast/parser/SymbolicXMLBuilder.scala
+++ b/src/compiler/scala/tools/nsc/ast/parser/SymbolicXMLBuilder.scala
@@ -6,7 +6,7 @@
 package scala.tools.nsc
 package ast.parser
 
-import collection.mutable.Map
+import scala.collection.{ mutable, immutable }
 import xml.{ EntityRef, Text }
 import xml.XML.{ xmlns }
 import symtab.Flags.MUTABLE
@@ -184,7 +184,7 @@ abstract class SymbolicXMLBuilder(p: Parsers#Parser, preserveWS: Boolean) {
   def unparsed(pos: Position, str: String): Tree =
     atPos(pos)( New(_scala_xml_Unparsed, LL(const(str))) )
 
-  def element(pos: Position, qname: String, attrMap: Map[String, Tree], args: Seq[Tree]): Tree = {
+  def element(pos: Position, qname: String, attrMap: mutable.Map[String, Tree], args: Seq[Tree]): Tree = {
     def handleNamespaceBinding(pre: String, z: String): Tree = {
       def mkAssign(t: Tree): Tree = Assign(
         Ident(_tmpscope),