Update gc branch to bleeding_edge revision 8862.

src/spaces.cc

Index: src/spaces.cc
diff --git a/src/spaces.cc b/src/spaces.cc
index 4ba1d35241d0b229a49c872529d20923e3fa036e..9294b34890c7adb6ee078d23dd6499b87b4792cd 100644
--- a/src/spaces.cc
+++ b/src/spaces.cc
@@ -133,12 +133,12 @@ void HeapObjectIterator::Verify() {
 // CodeRange
 
 
-CodeRange::CodeRange()
-    : code_range_(NULL),
+CodeRange::CodeRange(Isolate* isolate)
+    : isolate_(isolate),
+      code_range_(NULL),
       free_list_(0),
       allocation_list_(0),
-      current_allocation_block_index_(0),
-      isolate_(NULL) {
+      current_allocation_block_index_(0) {
 }
 
 
@@ -269,6 +269,15 @@ void CodeRange::TearDown() {
 // MemoryAllocator
 //
 
+MemoryAllocator::MemoryAllocator(Isolate* isolate)
+    : isolate_(isolate),
+      capacity_(0),
+      capacity_executable_(0),
+      size_(0),
+      size_executable_(0) {
+}
+
+
 bool MemoryAllocator::Setup(intptr_t capacity, intptr_t capacity_executable) {
   capacity_ = RoundUp(capacity, Page::kPageSize);
   capacity_executable_ = RoundUp(capacity_executable, Page::kPageSize);