Harden Runtime_LiveEditCheckAndDropActivations against unsafe args.

src/liveedit.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 #include "src/v8.h"
 
 #include "src/liveedit.h"
 
 #include "src/code-stubs.h"
@@ skipping 1939 matching lines @@
   Handle<JSArray> result_;
   bool has_blocked_functions_;
 };
 
 
 Handle<JSArray> LiveEdit::CheckAndDropActivations(
     Handle<JSArray> shared_info_array, bool do_drop) {
   Isolate* isolate = shared_info_array->GetIsolate();
   int len = GetArrayLength(shared_info_array);
 
-  CHECK(shared_info_array->HasFastElements());
+  ASSERT(shared_info_array->HasFastElements());
   Handle<FixedArray> shared_info_array_elements(
       FixedArray::cast(shared_info_array->elements()));
 
   Handle<JSArray> result = isolate->factory()->NewJSArray(len);
   Handle<FixedArray> result_elements =
       JSObject::EnsureWritableFastElements(result);
 
   // Fill the default values.
   for (int i = 0; i < len; i++) {
     FunctionPatchabilityStatus status = FUNCTION_AVAILABLE_FOR_PATCH;
@@ skipping 107 matching lines @@
 void LiveEditFunctionTracker::RecordRootFunctionInfo(Handle<Code> code) {
   isolate_->active_function_info_listener()->FunctionCode(code);
 }
 
 
 bool LiveEditFunctionTracker::IsActive(Isolate* isolate) {
   return isolate->active_function_info_listener() != NULL;
 }
 
 } }  // namespace v8::internal