[interpreter] Remove wholesale skipping of strong mode tests.

test/mjsunit/mjsunit.status

 # 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 755 matching lines @@
 }],  # 'predictable == True'
 
 ##############################################################################
 ['arch == ppc and simulator_run == True or arch == ppc64 and simulator_run == True', {
 
   # take too long with the simulator.
   'regress/regress-1132': [SKIP],
 }],  # 'arch == ppc and simulator_run == True'
 
 ['ignition == True', {
-  # Skip strong mode tests since strong mode is unsupported on ignition.
-  'strong/*': [SKIP],
-
   # TODO(yangguo,4690): Requires debugger support.
   'es6/debug*': [SKIP],
   'harmony/debug*': [SKIP],
   'regress/debug*': [SKIP],
   'regress/regress-debug*': [SKIP],
 
   # TODO(yangguo,4690): assertion failures in debugger tests.
   'debug-allscopes-on-debugger': [FAIL],
   'debug-liveedit-restart-frame': [FAIL],
   'debug-return-value': [FAIL],
@@ skipping 63 matching lines @@
   'harmony/reflect-enumerate-special-cases': [FAIL],
   'harmony/proxies-enumerate': [FAIL],
   'harmony/reflect-enumerate-opt': [FAIL],
   'harmony/reflect-enumerate': [FAIL],
   'harmony/destructuring': [FAIL],
   'harmony/regress/regress-4482': [FAIL],
   'harmony/generators': [FAIL],
   'harmony/iterator-close': [FAIL],
   'harmony/reflect-construct': [FAIL],
   'es6/promises': [FAIL],
+  'strong/function-arity': [FAIL],
+  'strong/undefined': [FAIL],
 
   # TODO(rmcilroy,4680): Pass on debug, fail on release. Fails in both modes.
   # the line numbers in the stack trace are incorrect. In debug mode somehow
   # does not get flagged as a failure.
   'compiler/regress-stacktrace-methods': [PASS, ['mode == release', FAIL]],
 
   # TODO(rmcilroy,4680): Test assert failures.
   'array-literal-feedback': [FAIL],
   'undetectable-compare': [FAIL],
   'debug-liveedit-2': [FAIL],
@@ skipping 52 matching lines @@
   # Tests taking too long.
   'array-functions-prototype-misc': [SKIP],
   'strong/implicit-conversions': [SKIP],
   'strong/load-element-mutate-backing-store': [SKIP],
 
   # Stack overflow.
   'big-array-literal': [SKIP],
 }],  # 'gcov_coverage'
 
 ]