Refactor mjsunit/fuzz-natives-* into a separate test suite.

test/fuzz-natives/fuzz-natives.status

+# Copyright 2014 the V8 project authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+[
+[ALWAYS, {
+  # These are designed to crash:
+  "Abort": [SKIP],
+  "AbortJS": [SKIP],
+  "SystemBreak": [SKIP],
+  "_DebugBreakInOptimizedCode": [SKIP],
+
+  # varargs.
+  "Call": [SKIP],
+  "_CallFunction": [SKIP],
+
+  # Implemented in the parser, not callable.
+  "IS_VAR": [SKIP],
+
+  # Compile-time ASSERTs.
+  "_DateField": [SKIP],
+  "_GetFromCache": [SKIP],
+
+  # Riddled with ASSERTs.
+  "CompileForOnStackReplacement": [SKIP],
+
+  # Too slow for fuzzing.
+  "SetAllocationTimeout": [SKIP],
+
+  # TODO(jkummerow): Fix these and un-blacklist them!
+  "CreateDateTimeFormat": [SKIP],
+  "CreateNumberFormat": [SKIP],
+
+  # TODO(jkummerow): Figure out what to do about inlined functions.
+  "_GeneratorNext": [SKIP],
+  "_GeneratorThrow": [SKIP],
+  "_GetCachedArrayIndex": [SKIP],
+  "_HasCachedArrayIndex": [SKIP],
+  "_IsStringWrapperSafeForDefaultValueOf": [SKIP],
+  "_OneByteSeqStringSetChar": [SKIP],
+  "_RegExpConstructResult": [SKIP],
+  "_TwoByteSeqStringSetChar": [SKIP],
+
+  # These are slow.
+  "DebugEvaluate": [PASS, SLOW],
+  "DebugReferencedBy": [PASS, SLOW],
+  "SetAccessorProperty": [PASS, SLOW],
+  "SetScopeVariableValue": [PASS, SLOW],
+}]  # ALWAYS
+]