Remove strong mode support from binary operations.

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 105 matching lines @@
   'debug-stepframe-clearing': [PASS, NO_VARIANTS],  # only in no-snap debug.
   'debug-stepin-call-function-stub': [PASS, NO_VARIANTS],  # only in no-snap debug.
   'debug-stepin-positions': [PASS, NO_VARIANTS],  # only due to inlining.
   'regress/regress-3717': [PASS, NO_VARIANTS],  # only in no-snap mode.
   'regress/regress-2451': [PASS, NO_VARIANTS],  # with custom snapshot and gc-stress.
   'debug-multiple-breakpoints': [PASS, NO_VARIANTS],  # with custom snapshot and gc-stress.
   'debug-listbreakpoints': [PASS, NO_VARIANTS],  # arm64 nosnap with turbofan
   'debug-enable-disable-breakpoints': [PASS, NO_VARIANTS],  #arm64 nosnap with turbofan.
 
   # TODO(rossberg)
+  # TODO(mstarzinger): Strong mode is deprecating. The expectations inside the
+  # following tests should be updated once deprecation is complete.
+  'strong/implicit-conversions': [SKIP],
+  'strong/implicit-conversions-count': [SKIP],
+  'strong/implicit-conversions-inlining': [SKIP],
   'strong/literals': [SKIP], # Rest arguments do not respect strongness in Turbofan.
 
   # 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],
@@ skipping 142 matching lines @@
   'harmony/rest-params': [PASS, ['no_snap == True', NO_VARIANTS]],
 
   # Slow tests.
   'copy-on-write-assert': [PASS, SLOW],
   'debug-scopes': [PASS, SLOW],
   'es7/object-observe': [PASS, ['mode == debug', SLOW]],
   'numops-fuzz-part*': [PASS, ['mode == debug', SLOW]],
   'readonly': [PASS, SLOW],
   'regress/regress-1200351': [PASS, ['mode == debug', SLOW]],
   'regress/regress-crbug-474297': [PASS, ['mode == debug', SLOW]],
-  'strong/implicit-conversions': [PASS, SLOW],
   'strong/load-element-mutate-backing-store': [PASS, SLOW],
 
   # TODO(titzer): correct WASM adapter frame alignment on arm64
   'wasm/*': [PASS, ['arch == arm64', SKIP]],
   'wasm/asm-wasm': [PASS, ['arch == arm or arch == arm64', SKIP]],
 
   # case-insensitive unicode regexp relies on case mapping provided by ICU.
   'harmony/unicode-regexp-ignore-case': [PASS, ['no_i18n == True', FAIL]],
   'harmony/unicode-regexp-ignore-case-noi18n': [FAIL, ['no_i18n == True', PASS]],
   # desugaring regexp property class relies on ICU.
@@ skipping 622 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'
 
 ]