%GetOptimizationStatus(): Unconditionally return a sentinel when --always-opt is present

test/mjsunit/array-constructor-feedback.js

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 // Flags: --allow-natives-syntax --expose-gc
-// Flags: --noalways-opt
 
 // Test element kind of objects.
 
 var elements_kind = {
   fast_smi_only            :  'fast smi only elements',
   fast                     :  'fast elements',
   fast_double              :  'fast double elements',
   dictionary               :  'dictionary elements',
   external_byte            :  'external byte elements',
   external_unsigned_byte   :  'external unsigned byte elements',
@@ skipping 170 matching lines @@
   a = bar(100);
   assertTrue(isHoley(a));
   a = bar(0);
   assertOptimized(bar);
   // Crankshafted functions don't use mementos, so feedback still
   // indicates a packed array is desired. (unless --nocrankshaft is in use).
   if (4 != %GetOptimizationStatus(bar)) {
     assertFalse(isHoley(a));
   }
 })();