[turbofan] Re-enable tests that are not longer too slow.

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
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@@ skipping 46 matching lines @@
 
   ##############################################################################
   # TurboFan compiler failures.
 
   # TODO(verwaest): Some tests are over-restrictive about object layout.
   'compare-known-objects-slow': [PASS, NO_VARIANTS],
   'smi-representation': [PASS, NO_VARIANTS],
 
   # Some tests are just too slow to run for now.
   'big-object-literal': [PASS, NO_VARIANTS],
-  'bit-not': [PASS, NO_VARIANTS],
   'json2': [PASS, NO_VARIANTS],
   'packed-elements': [PASS, NO_VARIANTS],
-  'string-indexof-1': [PASS, NO_VARIANTS],
-  'unbox-double-arrays': [PASS, NO_VARIANTS],
   'unicode-test': [PASS, NO_VARIANTS],
   'whitespaces': [PASS, NO_VARIANTS],
-  'compiler/osr-assert': [PASS, NO_VARIANTS],
   'ignition/regress-599001-verifyheap': [PASS, NO_VARIANTS],
   'es6/string-fromcodepoint': [PASS, NO_VARIANTS],
-  'regress/regress-2185-2': [PASS, NO_VARIANTS],
   'regress/regress-2612': [PASS, NO_VARIANTS],
 
   # Issue 3660: Replacing activated TurboFan frames by unoptimized code does
   # not work, but we expect it to not crash.
   'debug-step-turbofan': [PASS, FAIL],
 
   # TODO(mstarzinger): Optimizing top-level code revealed some issues. Fix!
   'bitops-info': [PASS, NO_VARIANTS],  # fails on ARM hardware.
   'md5': [PASS, NO_VARIANTS],  # fails on ARM hardware.
   'debug-break-inline': [PASS, NO_VARIANTS],  # very flaky.
@@ skipping 788 matching lines @@
 ##############################################################################
 ['gcov_coverage', {
   # Tests taking too long.
   'array-functions-prototype-misc': [SKIP],
 
   # Stack overflow.
   'big-array-literal': [SKIP],
 }],  # 'gcov_coverage'
 
 ]