Allow a ParseInfo without a script for %SetCode users

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 526 matching lines @@
   'regress/regress-3976': [SKIP],
 
   # Deopt every n garbage collections collides with deopt every n times.
   'regress/regress-2653': [SKIP],
 
   # Too slow.
   'es6/tail-call-megatest*': [SKIP],
 
   # Forced optimisation path tests.
   'shared-function-tier-up-default': [SKIP],
-  'shared-function-tier-up-ignition': [SKIP],
   'shared-function-tier-up-turbo': [SKIP],
 
   # Fails deopt_fuzzer due to --deopt_every_n_times or
   # deopt_every_n_garbage_collections
   'es6/array-iterator-turbo': [SKIP]
 }],  # 'deopt_fuzzer == True'
 
 ##############################################################################
 ['predictable == True', {
 
@@ skipping 87 matching lines @@
   'lithium/*': [SKIP],
   'third_party/*': [SKIP],
   'tools/*': [SKIP],
   'apply': [SKIP],
   'math-*': [SKIP],
   'unicode-test': [SKIP],
   'whitespaces': [SKIP],
 }],  # variant == wasm_traps
 
 ]