[intrinsics] Remove unused %_RegExpExec and %_NumberToString.

src/interpreter/interpreter-intrinsics.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/interpreter-intrinsics.h"
 
 #include "src/code-factory.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 224 matching lines @@
   return IntrinsicAsStubCall(input, context,
                              CodeFactory::CreateIterResultObject(isolate()));
 }
 
 Node* IntrinsicsHelper::HasProperty(Node* input, Node* arg_count,
                                     Node* context) {
   return IntrinsicAsStubCall(input, context,
                              CodeFactory::HasProperty(isolate()));
 }
 
-Node* IntrinsicsHelper::NumberToString(Node* input, Node* arg_count,
-                                       Node* context) {
-  return IntrinsicAsStubCall(input, context,
-                             CodeFactory::NumberToString(isolate()));
-}
-
-Node* IntrinsicsHelper::RegExpExec(Node* input, Node* arg_count,
-                                   Node* context) {
-  return IntrinsicAsStubCall(input, context,
-                             CodeFactory::RegExpExec(isolate()));
-}
-
 Node* IntrinsicsHelper::SubString(Node* input, Node* arg_count, Node* context) {
   return IntrinsicAsStubCall(input, context, CodeFactory::SubString(isolate()));
 }
 
 Node* IntrinsicsHelper::ToString(Node* input, Node* arg_count, Node* context) {
   return IntrinsicAsStubCall(input, context, CodeFactory::ToString(isolate()));
 }
 
 Node* IntrinsicsHelper::ToLength(Node* input, Node* arg_count, Node* context) {
   return IntrinsicAsStubCall(input, context, CodeFactory::ToLength(isolate()));
@@ skipping 48 matching lines @@
   Node* comparison = __ Word32Equal(actual, __ Int32Constant(expected));
   __ GotoIf(comparison, &match);
   __ Abort(kWrongArgumentCountForInvokeIntrinsic);
   __ Goto(&match);
   __ Bind(&match);
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8