[interpreter] Introduce --ignition-staging flag.

tools/testrunner/local/testsuite.py

 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 24 matching lines @@
 from ..objects import testcase
 
 # Use this to run several variants of the tests.
 ALL_VARIANT_FLAGS = {
   "default": [[]],
   "stress": [["--stress-opt", "--always-opt"]],
   "turbofan": [["--turbo"]],
   "turbofan_opt": [["--turbo", "--always-opt"]],
   "nocrankshaft": [["--nocrankshaft"]],
   "ignition": [["--ignition"]],
-  "ignition_turbofan": [["--ignition", "--turbo", "--turbo-from-bytecode"]],
+  "ignition_turbofan": [["--ignition-staging", "--turbo"]],
   "preparser": [["--min-preparse-length=0"]],
 }
 
 # FAST_VARIANTS implies no --always-opt.
 FAST_VARIANT_FLAGS = {
   "default": [[]],
   "stress": [["--stress-opt"]],
   "turbofan": [["--turbo"]],
   "nocrankshaft": [["--nocrankshaft"]],
   "ignition": [["--ignition"]],
-  "ignition_turbofan": [["--ignition", "--turbo", "--turbo-from-bytecode"]],
+  "ignition_turbofan": [["--ignition-staging", "--turbo"]],
   "preparser": [["--min-preparse-length=0"]],
 }
 
 ALL_VARIANTS = set(["default", "stress", "turbofan", "turbofan_opt",
                     "nocrankshaft", "ignition", "ignition_turbofan",
                     "preparser"])
 FAST_VARIANTS = set(["default", "turbofan"])
 STANDARD_VARIANT = set(["default"])
 IGNITION_VARIANT = set(["ignition"])
 
@@ skipping 263 matching lines @@
     return (testcase.flags + ["--gtest_filter=" + testcase.path] +
             ["--gtest_random_seed=%s" % context.random_seed] +
             ["--gtest_print_time=0"] +
             context.mode_flags)
 
   def _VariantGeneratorFactory(self):
     return StandardVariantGenerator
 
   def shell(self):
     return self.name