[test] Skip test262-es6 tests failing on mac.

test/test262/test262.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
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 710 matching lines @@
   'language/literals/regexp/S7.8.5_A1.1_T2': [SKIP],
   'language/literals/regexp/S7.8.5_A1.4_T2': [SKIP],
   'language/literals/regexp/S7.8.5_A2.1_T2': [SKIP],
   'language/literals/regexp/S7.8.5_A2.4_T2': [SKIP],
   'language/statements/const/syntax/const-invalid-assignment-next-expression-for': [SKIP],
 }],  # ALWAYS
 
 ['system == macos', {
   'intl402/11.3.2_TRP': [FAIL],
   'intl402/9.2.5_11_g_ii_2': [FAIL],
+
+  # BUG(v8:4437).
+  'intl402/Collator/10.1.1_19_c': [SKIP],
+  'intl402/Collator/9.2.5_11_g_ii_2': [SKIP],
+  'intl402/NumberFormat/11.1.1_17': [SKIP],
+  'intl402/NumberFormat/11.1.1_19': [SKIP],
+  'intl402/NumberFormat/prototype/format/11.3.2_TRF': [SKIP],
+  'intl402/NumberFormat/prototype/format/11.3.2_TRP': [SKIP],
 }],  # system == macos
 
 ['arch == arm or arch == mipsel or arch == mips or arch == arm64 or arch == mips64el', {
 
   # TODO(mstarzinger): Causes stack overflow on simulators due to eager
   # compilation of parenthesized function literals. Needs investigation.
   'language/statements/function/S13.2.1_A1_T1': [SKIP],
 
   # BUG(3251225): Tests that timeout with --nocrankshaft.
   'built-ins/decodeURI/S15.1.3.1_A2.4_T1': [SKIP],
   'built-ins/decodeURI/S15.1.3.1_A2.5_T1': [SKIP],
   'built-ins/decodeURIComponent/S15.1.3.2_A2.4_T1': [SKIP],
   'built-ins/decodeURIComponent/S15.1.3.2_A2.5_T1': [SKIP],
   'built-ins/encodeURI/S15.1.3.3_A2.3_T1': [SKIP],
   'built-ins/encodeURIComponent/S15.1.3.4_A2.3_T1': [SKIP],
 }],  # 'arch == arm or arch == mipsel or arch == mips or arch == arm64'
 ]