Cleared 'createdSyntheticMethod' on resetTyper ...

Cleared 'createdSyntheticMethod' on resetTyper (another leak in the
presentation compiler). review by extempore.

2 files changed, 9 insertions, 0 deletions

diff --git a/src/compiler/scala/tools/nsc/typechecker/SyntheticMethods.scala b/src/compiler/scala/tools/nsc/typechecker/SyntheticMethods.scala
index c406f8cca9..c855abd7fb 100644
--- a/src/compiler/scala/tools/nsc/typechecker/SyntheticMethods.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/SyntheticMethods.scala
@@ -41,9 +41,16 @@ trait SyntheticMethods extends ast.TreeDSL {
    *  associated badness: see ticket #883.  So if it sees such a thing this has happened
    *  (by virtue of the symbol being in createdMethodSymbols) it re-overrides it with
    *  reference equality.
+   *
+   *  TODO: remove once (deprecated) case class inheritance is dropped form nsc.
    */
   private val createdMethodSymbols = new mutable.HashSet[Symbol]
 
+  /** Clear the cache of createdMethodSymbols.  */
+  def resetSynthetics() {
+    createdMethodSymbols.clear()
+  }
+
   /** Add the synthetic methods to case classes.  Note that a lot of the
    *  complexity herein is a consequence of case classes inheriting from
    *  case classes, which has been deprecated as of Sep 11 2009.  So when
diff --git a/src/compiler/scala/tools/nsc/typechecker/Typers.scala b/src/compiler/scala/tools/nsc/typechecker/Typers.scala
index b211c20f41..ce0673196a 100644
--- a/src/compiler/scala/tools/nsc/typechecker/Typers.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/Typers.scala
@@ -45,10 +45,12 @@ trait Typers extends Modes {
   final val shortenImports = false
 
   def resetTyper() {
+    //println("resetTyper called")
     resetContexts()
     resetNamer()
     resetImplicits()
     transformed.clear()
+    resetSynthetics()
   }
 
   object UnTyper extends Traverser {