ARM64: Prevent compilers to optimize away NaN negation in tests.

test/cctest/cctest.status

 # Copyright 2011 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 71 matching lines @@
   'test-api/Bug618': [PASS],
 
   # BUG(v8:2999).
   'test-cpu-profiler/CollectCpuProfile': [PASS, FAIL],
 
   # BUG(v8:3154).
   'test-heap/ReleaseOverReservedPages': [PASS, ['mode == debug', FAIL]],
 
   # BUG(v8:3155).
   'test-strings/AsciiArrayJoin': [PASS, ['mode == debug', FAIL]],
-
-  # BUG(v8:3226).
-  'test-assembler-arm64/fmadd_fmsub_float_nans': [PASS, FAIL]
 }],  # 'arch == arm64'
 
 ['arch == arm64 and simulator_run == True', {
 
   # Pass but take too long with the simulator.
   'test-api/ExternalArrays': [PASS, TIMEOUT],
   'test-api/Threading1': [SKIP],
 }],  # 'arch == arm64 and simulator_run == True'
 
 ['arch == arm64 and mode == debug and simulator_run == True', {
@@ skipping 118 matching lines @@
   # Fails since 16322 (new test).
   'test-code-stubs-arm/ConvertDToI': [SKIP],
 
   # BUG(2998).
   'test-macro-assembler-arm/LoadAndStoreWithRepresentation': [SKIP],
 
   # BUG(3150).
   'test-api/PreCompileInvalidPreparseDataError': [SKIP],
 }],  # 'arch == nacl_ia32 or arch == nacl_x64'
 ]