[Interpreter] Add SetPendingMessage bytecode.

src/interpreter/bytecode-generator.cc

 // Copyright 2015 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/interpreter/bytecode-generator.h"
 
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/code-stubs.h"
 #include "src/compilation-info.h"
@@ skipping 1282 matching lines @@
     Visit(stmt->try_block());
   }
   try_control_builder.EndTry();
 
   // Create a catch scope that binds the exception.
   BuildNewLocalCatchContext(stmt->variable(), stmt->scope());
   builder()->StoreAccumulatorInRegister(context);
 
   // If requested, clear message object as we enter the catch block.
   if (stmt->clear_pending_message()) {
-    builder()->CallRuntime(Runtime::kInterpreterClearPendingMessage);
+    builder()->LoadTheHole().SetPendingMessage();
   }
 
   // Load the catch context into the accumulator.
   builder()->LoadAccumulatorWithRegister(context);
 
   // Evaluate the catch-block.
   VisitInScope(stmt->catch_block(), stmt->scope());
   try_control_builder.EndCatch();
 }
 
@@ skipping 38 matching lines @@
   commands.RecordFallThroughPath();
   try_control_builder.LeaveTry();
   try_control_builder.BeginHandler();
   commands.RecordHandlerReThrowPath();
 
   // Pending message object is saved on entry.
   try_control_builder.BeginFinally();
   Register message = context;  // Reuse register.
 
   // Clear message object as we enter the finally block.
-  builder()
-      ->CallRuntime(Runtime::kInterpreterClearPendingMessage)
-      .StoreAccumulatorInRegister(message);
+  builder()->LoadTheHole().SetPendingMessage().StoreAccumulatorInRegister(
+      message);
 
   // Evaluate the finally-block.
   Visit(stmt->finally_block());
   try_control_builder.EndFinally();
 
   // Pending message object is restored on exit.
-  builder()->CallRuntime(Runtime::kInterpreterSetPendingMessage, message);
+  builder()->LoadAccumulatorWithRegister(message).SetPendingMessage();
 
   // Dynamic dispatch after the finally-block.
   commands.ApplyDeferredCommands();
 }
 
 void BytecodeGenerator::VisitDebuggerStatement(DebuggerStatement* stmt) {
   builder()->SetStatementPosition(stmt);
   builder()->Debugger();
 }
 
@@ skipping 1804 matching lines @@
 }
 
 Runtime::FunctionId BytecodeGenerator::StoreKeyedToSuperRuntimeId() {
   return is_strict(language_mode()) ? Runtime::kStoreKeyedToSuper_Strict
                                     : Runtime::kStoreKeyedToSuper_Sloppy;
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8