Patch CEntry stub to swallow exception if liveedit/restart frame needs it.

src/serialize.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 188 matching lines @@
       Debug::k_after_break_target_address << kDebugIdShift,
       "Debug::after_break_target_address()");
   Add(Debug_Address(Debug::k_debug_break_slot_address).address(isolate),
       DEBUG_ADDRESS,
       Debug::k_debug_break_slot_address << kDebugIdShift,
       "Debug::debug_break_slot_address()");
   Add(Debug_Address(Debug::k_debug_break_return_address).address(isolate),
       DEBUG_ADDRESS,
       Debug::k_debug_break_return_address << kDebugIdShift,
       "Debug::debug_break_return_address()");
-  Add(Debug_Address(Debug::k_restarter_frame_function_pointer).address(isolate),
+  Add(Debug_Address(Debug::k_restarter_frame_function_pointer)
+          .address(isolate),
       DEBUG_ADDRESS,
       Debug::k_restarter_frame_function_pointer << kDebugIdShift,
       "Debug::restarter_frame_function_pointer_address()");
+  Add(Debug_Address(Debug::k_c_entry_frame_to_ignore_exception)
+          .address(isolate),
+      DEBUG_ADDRESS,
+      Debug::k_c_entry_frame_to_ignore_exception << kDebugIdShift,
+      "Debug::c_entry_frame_to_ignore_exception_address()");
 #endif
 
   // Stat counters
   struct StatsRefTableEntry {
     StatsCounter* (Counters::*counter)();
     uint16_t id;
     const char* name;
   };
 
   const StatsRefTableEntry stats_ref_table[] = {
@@ skipping 1633 matching lines @@
 
 bool SnapshotByteSource::AtEOF() {
   if (0u + length_ - position_ > 2 * sizeof(uint32_t)) return false;
   for (int x = position_; x < length_; x++) {
     if (data_[x] != SerializerDeserializer::nop()) return false;
   }
   return true;
 }
 
 } }  // namespace v8::internal