Upload Kmake

deps/v8/test/mjsunit/turboshaft/maglev-frontend/holey-array-load.js

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+// Copyright 2024 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax --turbolev --turbofan
+// Flags: --no-always-turbofan
+
+function ret_from_holey_arr(i) {
+  let arr = new Array(10);
+  arr[0] = 42;
+  return arr[i];
+}
+
+%PrepareFunctionForOptimization(ret_from_holey_arr);
+assertEquals(42, ret_from_holey_arr(0));
+%OptimizeFunctionOnNextCall(ret_from_holey_arr);
+assertEquals(42, ret_from_holey_arr(0));
+assertOptimized(ret_from_holey_arr);
+
+// Triggering deopt by trying to return a hole.
+assertEquals(undefined, ret_from_holey_arr(1));
+assertUnoptimized(ret_from_holey_arr);
+
+// Reopting
+%OptimizeFunctionOnNextCall(ret_from_holey_arr);
+assertEquals(undefined, ret_from_holey_arr(1));
+// This time the hole is converted to undefined without deopting.
+assertOptimized(ret_from_holey_arr);