Revert r11753.

src/x64/full-codegen-x64.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 4459 matching lines @@
   __ pop(result_register());
   // Uncook return address.
   __ pop(rdx);
   __ SmiToInteger32(rdx, rdx);
   __ Move(rcx, masm_->CodeObject());
   __ addq(rdx, rcx);
   __ jmp(rdx);
 }
 
 
-void FullCodeGenerator::SavePendingMessage() {
-  ASSERT(!result_register().is(rdx));
-  // Store pending message while executing finally block upon exception.
-  ExternalReference pending_message_obj =
-      ExternalReference::address_of_pending_message_obj(isolate());
-  __ Load(rdx, pending_message_obj);
-  __ push(rdx);
-
-  ExternalReference has_pending_message =
-      ExternalReference::address_of_has_pending_message(isolate());
-  __ Load(rdx, has_pending_message);
-  __ push(rdx);
-
-  ExternalReference pending_message_script =
-      ExternalReference::address_of_pending_message_script(isolate());
-  __ Load(rdx, pending_message_script);
-  __ push(rdx);
-}
-
-
-void FullCodeGenerator::RestorePendingMessage() {
-  ASSERT(!result_register().is(rdx));
-  // Restore pending message.
-  __ pop(rdx);
-  ExternalReference pending_message_script =
-      ExternalReference::address_of_pending_message_script(isolate());
-  __ Store(pending_message_script, rdx);
-
-  __ pop(rdx);
-  ExternalReference has_pending_message =
-      ExternalReference::address_of_has_pending_message(isolate());
-  __ Store(has_pending_message, rdx);
-
-  __ pop(rdx);
-  ExternalReference pending_message_obj =
-      ExternalReference::address_of_pending_message_obj(isolate());
-  __ Store(pending_message_obj, rdx);
-}
-
-
 #undef __
 
 #define __ ACCESS_MASM(masm())
 
 FullCodeGenerator::NestedStatement* FullCodeGenerator::TryFinally::Exit(
     int* stack_depth,
     int* context_length) {
   // The macros used here must preserve the result register.
 
   // Because the handler block contains the context of the finally
@@ skipping 13 matching lines @@
   *context_length = 0;
   return previous_;
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64