Fix handle zapping interaction with NoHandleAllocation.

src/api.h

Index: src/api.h
diff --git a/src/api.h b/src/api.h
index 12d6e3d08229343644b3f571933c15543b90c19b..62380ce651249d86548c37679c9b2deb248c1bfd 100644
--- a/src/api.h
+++ b/src/api.h
@@ -637,7 +637,12 @@ void HandleScopeImplementer::DeleteExtensions(internal::Object** prev_limit) {
     internal::Object** block_limit = block_start + kHandleBlockSize;
 #ifdef DEBUG
     // NoHandleAllocation may make the prev_limit to point inside the block.
-    if (block_start <= prev_limit && prev_limit <= block_limit) break;
+    if (block_start <= prev_limit && prev_limit <= block_limit) {
+#ifdef ENABLE_EXTRA_CHECKS
+      internal::HandleScope::ZapRange(prev_limit, block_limit);
+#endif
+      break;
+    }
 #else
     if (prev_limit == block_limit) break;
 #endif