[string] Move String.p.toLowerCase to CSA

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 46e889f5a2c0be3acba18e6934252a860e74385e..a1d720797cb7b4fe34a4edbdfd3b5db21b7565f5 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -4084,7 +4084,7 @@ void Genesis::InitializeGlobal_icu_case_mapping() {
     SetFunction(string_prototype,
                 SimpleCreateFunction(isolate(), name,
                                      Builtins::kStringPrototypeToLowerCaseIntl,
-                                     0, false),
+                                     0, true),
                 name);
   }
   {