Remove strong mode support from materialized literals.

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 116 matching lines @@
   'strong/implicit-conversions': [SKIP],
   'strong/implicit-conversions-count': [SKIP],
   'strong/implicit-conversions-inlining': [SKIP],
   'strong/load-builtins': [SKIP],
   'strong/load-element': [SKIP],
   'strong/load-element-mutate-backing-store': [SKIP],
   'strong/load-property': [SKIP],
   'strong/load-property-mutate-backing-store': [SKIP],
   'strong/load-super': [SKIP],
   'strong/literals': [SKIP], # Rest arguments do not respect strongness in Turbofan.
+  'strong/object-delete': [SKIP],
+  'strong/object-freeze-property': [SKIP],
+  'strong/object-set-prototype': [SKIP],
 
   # Issue 4035: unexpected frame->context() in debugger
   'regress/regress-crbug-107996': [PASS, NO_VARIANTS],
   'regress/regress-crbug-171715': [PASS, NO_VARIANTS],
   'regress/regress-crbug-222893': [PASS, NO_VARIANTS],
   'regress/regress-crbug-323936': [PASS, NO_VARIANTS],
   'regress/regress-crbug-491943': [PASS, NO_VARIANTS],
   'regress/regress-325676': [PASS, NO_VARIANTS],
   'debug-evaluate-closure': [PASS, NO_VARIANTS],
   'debug-evaluate-with': [PASS, NO_VARIANTS],
@@ skipping 769 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'
 
 ]