[builtins] New frame type for exits to C++ builtins

src/debug/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/debug/liveedit.h"
 
 #include "src/ast/scopeinfo.h"
 #include "src/ast/scopes.h"
 #include "src/code-stubs.h"
 #include "src/compilation-cache.h"
@@ skipping 1664 matching lines @@
     return target.GetNotFoundMessage();
   }
 
   bool target_frame_found = false;
   int bottom_js_frame_index = top_frame_index;
   bool non_droppable_frame_found = false;
   LiveEdit::FunctionPatchabilityStatus non_droppable_reason;
 
   for (; frame_index < frames.length(); frame_index++) {
     StackFrame* frame = frames[frame_index];
-    if (frame->is_exit()) {
+    if (frame->is_exit() || frame->is_builtin_exit()) {
       non_droppable_frame_found = true;
       non_droppable_reason = LiveEdit::FUNCTION_BLOCKED_UNDER_NATIVE_CODE;
       break;
     }
     if (frame->is_java_script()) {
       SharedFunctionInfo* shared =
           JavaScriptFrame::cast(frame)->function()->shared();
       if (shared->is_resumable()) {
         non_droppable_frame_found = true;
         non_droppable_reason = LiveEdit::FUNCTION_BLOCKED_UNDER_GENERATOR;
@@ skipping 364 matching lines @@
     scope_info_length++;
 
     current_scope = current_scope->outer_scope();
   }
 
   return scope_info_list;
 }
 
 }  // namespace internal
 }  // namespace v8