Add support test262 $262 global object support (#4329)

Few test-cases in test262 uses a $262 object to run a few method (for example detachedArrayBuffer)

JerryScript-DCO-1.0-Signed-off-by: bence gabor kis kisbg@inf.u-szeged.hu

jerry-main/main-options.c

@@ -32,6 +32,7 @@ typedef enum
   OPT_HELP,
   OPT_VERSION,
   OPT_MEM_STATS,
+  OPT_TEST262_OBJECT,
   OPT_PARSE_ONLY,
   OPT_SHOW_OP,
   OPT_SHOW_RE_OP,
@@ -60,6 +61,8 @@ static const cli_opt_t main_opts[] =
                .help = "print tool and library version and exit"),
   CLI_OPT_DEF (.id = OPT_MEM_STATS, .longopt = "mem-stats",
                .help = "dump memory statistics"),
+  CLI_OPT_DEF (.id = OPT_TEST262_OBJECT, .longopt = "test262-object",
+               .help = "create test262 object"),
   CLI_OPT_DEF (.id = OPT_PARSE_ONLY, .longopt = "parse-only",
                .help = "don't execute JS input"),
   CLI_OPT_DEF (.id = OPT_SHOW_OP, .longopt = "show-opcodes",
@@ -180,6 +183,11 @@ main_parse_args (int argc, /**< argc */
         }
         break;
       }
+      case OPT_TEST262_OBJECT:
+      {
+        arguments_p->option_flags |= OPT_FLAG_TEST262_OBJECT;
+        break;
+      }
       case OPT_PARSE_ONLY:
       {
         arguments_p->option_flags |= OPT_FLAG_PARSE_ONLY;