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// modification, are permitted provided that the following conditions are
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//
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// Flags: --track-fields --track-double-fields --allow-natives-syntax
// Flags: --parallel-recompilation --parallel-recompilation-delay=50

if (!%IsParallelRecompilationSupported()) {
  print("Parallel recompilation is disabled. Skipping this test.");
  quit();
}

function assertUnoptimized(fun) {
  assertTrue(%GetOptimizationStatus(fun) != 1);
}

function new_object() {
  var o = {};
  o.a = 1;
  o.b = 2;
  return o;
}

function add_field(obj) {
  obj.c = 3;
}

add_field(new_object());
add_field(new_object());
%OptimizeFunctionOnNextCall(add_field, "parallel");

var o = new_object();
add_field(o);                      // Trigger optimization.
assertUnoptimized(add_field);      // Not yet optimized.
o.c = 2.2;                         // Invalidate transition map.
%CompleteOptimization(add_field);  // Conclude optimization with...
assertUnoptimized(add_field);      // ... bailing out due to map dependency.