1 files changed, 4 insertions, 12 deletions
diff --git a/deps/v8/src/builtins/string-startswith.tq b/deps/v8/src/builtins/string-startswith.tq
index 1f885a2afd..b03e67ecf5 100644
--- a/deps/v8/src/builtins/string-startswith.tq
+++ b/deps/v8/src/builtins/string-startswith.tq
@@ -8,23 +8,15 @@ namespace string {
   extern macro RegExpBuiltinsAssembler::IsRegExp(implicit context:
                                                      Context)(Object): bool;
 
-  // TODO(ryzokuken): Add RequireObjectCoercible to base.tq and update callsites
-  macro RequireObjectCoercible(implicit context: Context)(argument: Object):
-      Object {
-    if (IsNullOrUndefined(argument)) {
-      ThrowTypeError(kCalledOnNullOrUndefined, 'String.prototype.startsWith');
-    }
-    return argument;
-  }
-
   // https://tc39.github.io/ecma262/#sec-string.prototype.startswith
   transitioning javascript builtin StringPrototypeStartsWith(
-      context: Context, receiver: Object, ...arguments): Boolean {
+      js-implicit context: Context, receiver: Object)(...arguments): Boolean {
     const searchString: Object = arguments[0];
     const position: Object = arguments[1];
+    const kBuiltinName: constexpr string = 'String.prototype.startsWith';
 
     // 1. Let O be ? RequireObjectCoercible(this value).
-    const object: Object = RequireObjectCoercible(receiver);
+    const object: Object = RequireObjectCoercible(receiver, kBuiltinName);
 
     // 2. Let S be ? ToString(O).
     const string: String = ToString_Inline(context, object);
@@ -32,7 +24,7 @@ namespace string {
     // 3. Let isRegExp be ? IsRegExp(searchString).
     // 4. If isRegExp is true, throw a TypeError exception.
     if (IsRegExp(searchString)) {
-      ThrowTypeError(kFirstArgumentNotRegExp, 'String.prototype.startsWith');
+      ThrowTypeError(kFirstArgumentNotRegExp, kBuiltinName);
     }
 
     // 5. Let searchStr be ? ToString(searchString).