Teach ModuleDescriptor about basic local exports

test/cctest/cctest.status

 # Copyright 2011 the V8 project authors. All rights reserved.
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 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
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@@ skipping 45 matching lines @@
   'test-weaksets/WeakSet_Shrinking': [FAIL],
 
   # Boot up memory use is bloated in debug mode.
   'test-mark-compact/BootUpMemoryUse': [PASS, PASS, ['mode == debug', FAIL]],
 
   # This tests only that the preparser and parser agree, so there is no point in
   # running several variants. Note that this still takes ages, because there
   # are actually 13 * 38 * 5 * 128 = 316160 individual tests hidden here.
   'test-parsing/ParserSync': [PASS, NO_VARIANTS],
 
-  # Modules are busted
-  'test-parsing/ExportsMaybeAssigned': [SKIP],
-
   # This tests only the type system, so there is no point in running several
   # variants.
   'test-hydrogen-types/*': [PASS, NO_VARIANTS],
   'test-types/*': [PASS, NO_VARIANTS],
 
   # The cpu profiler tests are notoriously flaky.
   # BUG(2999). (test/cpu-profiler/CollectCpuProfile)
   # BUG(3287). (test-cpu-profiler/SampleWhenFrameIsNotSetup)
   'test-cpu-profiler/*': [PASS, FLAKY],
   'test-cpu-profiler/*': [SKIP],
@@ skipping 320 matching lines @@
   'test-accessors/HandleScopePop' : [SKIP],
   'test-accessors/Gc' : [SKIP],
 
 }],  # 'arch == nacl_ia32 or arch == nacl_x64'
 
 ['arch == ppc64', {
   #issue 2857
   'test-log/EquivalenceOfLoggingAndTraversal' : [SKIP],
 }],  # 'arch == ppc64'
 ]