Retire concurrent recompilation delay for non-stress testing.

test/mjsunit/parallel-initial-prototype-change.js

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-
-// Flags: --allow-natives-syntax
-// Flags: --concurrent-recompilation --concurrent-recompilation-delay=100
-
-if (!%IsConcurrentRecompilationSupported()) {
-  print("Concurrent recompilation is disabled. Skipping this test.");
-  quit();
-}
-
-function f1(a, i) {
-  return a[i] + 0.5;
-}
-
-var arr = [0.0,,2.5];
-assertEquals(0.5, f1(arr, 0));
-assertEquals(0.5, f1(arr, 0));
-
-// Optimized code of f1 depends on initial object and array maps.
-%OptimizeFunctionOnNextCall(f1, "concurrent");
-// Trigger optimization in the background thread
-assertEquals(0.5, f1(arr, 0));
-Object.prototype[1] = 1.5;  // Invalidate current initial object map.
-assertEquals(2, f1(arr, 1));
-// Not yet optimized while background thread is running.
-assertUnoptimized(f1, "no sync");
-// Sync with background thread to conclude optimization, which bails out
-// due to map dependency.
-assertUnoptimized(f1, "sync");