From ef9c11f7e34b39229254353e245a53aa4d4777d0 Mon Sep 17 00:00:00 2001
From: Martin Odersky <odersky@gmail.com>
Date: Wed, 14 Jan 2015 18:22:37 +0100
Subject: Fix after review: reset state variable needsGc

Without the reset, states are gc-ed unncessssarily.
---
 src/dotty/tools/dotc/core/TypeComparer.scala | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/dotty/tools/dotc/core/TypeComparer.scala b/src/dotty/tools/dotc/core/TypeComparer.scala
index d327da017..f3518eff2 100644
--- a/src/dotty/tools/dotc/core/TypeComparer.scala
+++ b/src/dotty/tools/dotc/core/TypeComparer.scala
@@ -98,7 +98,10 @@ class TypeComparer(initctx: Context) extends DotClass with ConstraintHandling wi
           else monitoredIsSubType(tp1, tp2)
         recCount = recCount - 1
         if (!result) constraint = saved
-        else if (recCount == 0 && needsGc) state.gc()
+        else if (recCount == 0 && needsGc) {
+          state.gc()
+          needsGc = false
+        }
         if (Stats.monitored) recordStatistics(result, savedSuccessCount)
         result
       } catch {
-- 
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