[turbofan] Fix bunch of tests failing with --turbo-deoptimization.

test/mjsunit/mjsunit.status

 # Copyright 2012 the V8 project authors. All rights reserved.
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 # modification, are permitted provided that the following conditions are
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@@ skipping 65 matching lines @@
   'whitespaces': [PASS, NO_VARIANTS],
   'compiler/osr-assert': [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(jarin): Some tests don't like --turbo-deoptimzation very much.
-  'asm/embenchen/lua_binarytrees': [SKIP],
   'es6/symbols': [PASS, NO_VARIANTS],
-  'es7/object-observe-debug-event': [PASS, NO_VARIANTS],
-  'harmony/classes': [PASS, NO_VARIANTS],
   'regress/regress-354433': [PASS, NO_VARIANTS],  # only on ARM simulator.
-  'regress/regress-crbug-259300': [PASS, NO_VARIANTS],
 
   # TODO(arv): TurboFan does not yet add [[HomeObject]] as needed.
   'harmony/object-literals-super': [PASS, NO_VARIANTS],
 
   ##############################################################################
   # Too slow in debug mode with --stress-opt mode.
   'compiler/regress-stacktrace-methods': [PASS, ['mode == debug', SKIP]],
   'compiler/regress-funcaller': [PASS, ['mode == debug', SKIP]],
   'regress/regress-2318': [PASS, ['mode == debug', SKIP]],
   'regress/regress-create-exception': [PASS, ['mode == debug', SKIP]],
@@ skipping 449 matching lines @@
   'never-optimize': [SKIP],
   'regress/regress-2185-2': [SKIP],
   'harmony/object-observe': [SKIP],
   'readonly': [SKIP],
   'array-feedback': [SKIP],
 
   # Deopt every n garbage collections collides with deopt every n times.
   'regress/regress-2653': [SKIP],
 }],  # 'deopt_fuzzer == True'
 ]