[turbofan] Blacklist test case which needs investigation.

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 150 matching lines @@
   'compiler/escape-analysis-5': [PASS, NO_VARIANTS],
   'compiler/escape-analysis-6': [PASS, NO_VARIANTS],
   'compiler/escape-analysis-7': [PASS, NO_VARIANTS],
   'compiler/escape-analysis-9': [PASS, NO_VARIANTS],
   'compiler/escape-analysis-10': [PASS, NO_VARIANTS],
   # TODO(sigurds): Tests that fail because of incomplete use handling (i.e. select).
   'compiler/escape-analysis-8': [PASS, NO_VARIANTS],
 
   # Assumptions about optimization need investigation in TurboFan.
   'regress-sync-optimized-lists': [PASS, NO_VARIANTS],
+  'regress/regress-store-uncacheable': [PASS, NO_VARIANTS],
 
   # issue 4078:
   'allocation-site-info': [PASS, NO_VARIANTS],
 
   # Native WASM is not yet enabled by default.
   'wasm/*': [SKIP],
 
   ##############################################################################
   # Too slow in debug mode with --stress-opt mode.
   'compiler/regress-stacktrace-methods': [PASS, ['mode == debug', SKIP]],
@@ skipping 919 matching lines @@
 
 ##############################################################################
 ['gcov_coverage', {
   # Tests taking too long.
   'array-functions-prototype-misc': [SKIP],
   'strong/implicit-conversions': [SKIP],
   'strong/load-element-mutate-backing-store': [SKIP],
 }],  # 'gcov_coverage'
 
 ]