Add just enough state changes from EXTERNAL (outside V8) to OTHER...

src/heap.cc

Index: src/heap.cc
===================================================================
--- src/heap.cc	(revision 1641)
+++ src/heap.cc	(working copy)
@@ -2864,22 +2864,26 @@
 #ifdef ENABLE_HEAP_PROTECTION
 
 void Heap::Protect() {
-  new_space_.Protect();
-  map_space_->Protect();
-  old_pointer_space_->Protect();
-  old_data_space_->Protect();
-  code_space_->Protect();
-  lo_space_->Protect();
+  if (HasBeenSetup()) {
+    new_space_.Protect();
+    map_space_->Protect();
+    old_pointer_space_->Protect();
+    old_data_space_->Protect();
+    code_space_->Protect();
+    lo_space_->Protect();
+  }
 }
 
 
 void Heap::Unprotect() {
-  new_space_.Unprotect();
-  map_space_->Unprotect();
-  old_pointer_space_->Unprotect();
-  old_data_space_->Unprotect();
-  code_space_->Unprotect();
-  lo_space_->Unprotect();
+  if (HasBeenSetup()) {
+    new_space_.Unprotect();
+    map_space_->Unprotect();
+    old_pointer_space_->Unprotect();
+    old_data_space_->Unprotect();
+    code_space_->Unprotect();
+    lo_space_->Unprotect();
+  }
 }
 
 #endif