[heap] Filter out stale left-trimmed handles for scavenges

src/heap/scavenger.cc

Index: src/heap/scavenger.cc
diff --git a/src/heap/scavenger.cc b/src/heap/scavenger.cc
index 9b8bfc248cfb58ffa2b2fcc30f06ccf4d263909f..a57d403e99d5a36d5f66ead83e9ed88241282a9c 100644
--- a/src/heap/scavenger.cc
+++ b/src/heap/scavenger.cc
@@ -444,9 +444,6 @@ void ScavengeVisitor::VisitPointers(Object** start, Object** end) {
 void ScavengeVisitor::ScavengePointer(Object** p) {
   Object* object = *p;
   if (!heap_->InNewSpace(object)) return;
-
-  if (heap_->PurgeLeftTrimmedObject(p)) return;
-
   Scavenger::ScavengeObject(reinterpret_cast<HeapObject**>(p),
                             reinterpret_cast<HeapObject*>(object));
 }