Implement strict mode arguments caller/callee.

src/contexts.h

Index: src/contexts.h
diff --git a/src/contexts.h b/src/contexts.h
index 01dd933902c4c8b2e1c5bf6e32255c6d271434ec..31c0e3818494bfb6f2f1cf3e925244ef097df968 100644
--- a/src/contexts.h
+++ b/src/contexts.h
@@ -87,6 +87,8 @@ enum ContextLookupFlags {
   V(JS_ARRAY_MAP_INDEX, Map, js_array_map)\
   V(REGEXP_RESULT_MAP_INDEX, Map, regexp_result_map)\
   V(ARGUMENTS_BOILERPLATE_INDEX, JSObject, arguments_boilerplate) \
+  V(STRICT_MODE_ARGUMENTS_BOILERPLATE_INDEX, JSObject, \
+    strict_mode_arguments_boilerplate) \
   V(MESSAGE_LISTENERS_INDEX, JSObject, message_listeners) \
   V(MAKE_MESSAGE_FUN_INDEX, JSFunction, make_message_fun) \
   V(GET_STACK_TRACE_LINE_INDEX, JSFunction, get_stack_trace_line_fun) \
@@ -186,6 +188,7 @@ class Context: public FixedArray {
     GLOBAL_PROXY_INDEX = MIN_CONTEXT_SLOTS,
     SECURITY_TOKEN_INDEX,
     ARGUMENTS_BOILERPLATE_INDEX,
+    STRICT_MODE_ARGUMENTS_BOILERPLATE_INDEX,
     JS_ARRAY_MAP_INDEX,
     REGEXP_RESULT_MAP_INDEX,
     FUNCTION_MAP_INDEX,