Fix new space shrinking to reset from-space.

src/spaces.cc

Index: src/spaces.cc
diff --git a/src/spaces.cc b/src/spaces.cc
index adfb74a4efeabf9868a7be678c15dcb6b4603141..0f48afd840c4868263d2923627b3663c721ed364 100644
--- a/src/spaces.cc
+++ b/src/spaces.cc
@@ -947,6 +947,7 @@ void NewSpace::Shrink() {
   if (rounded_new_capacity < Capacity() &&
       to_space_.ShrinkTo(rounded_new_capacity))  {
     // Only shrink from space if we managed to shrink to space.
+    from_space_.Reset();

[Lasse Reichstein, 2011/09/20 13:28:38]

Could you change "from space" to "from-space" in the comments? Ditto for "to
space"? It's more readable. 

[Michael Starzinger, 2011/09/20 13:34:17]

Done.

     if (!from_space_.ShrinkTo(rounded_new_capacity)) {
       // If we managed to shrink to space but couldn't shrink from
       // space, attempt to grow to space again.