Upload Kmake

deps/v8/test/mjsunit/regress/regress-1034449.js

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+// Copyright 2020 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 --turbofan --no-always-turbofan
+// Flags: --no-stress-flush-code
+
+function f(len) {
+  return new Array(len);
+}
+
+%PrepareFunctionForOptimization(f);
+assertEquals(3, f(3).length);
+assertEquals(18, f(18).length);
+%OptimizeFunctionOnNextCall(f);
+assertEquals(4, f(4).length);
+assertOptimized(f);
+let a = f("8");
+assertUnoptimized(f);
+assertEquals(1, a.length);
+assertEquals("8", a[0]);
+
+// Check there is no deopt loop.
+%PrepareFunctionForOptimization(f);
+assertEquals(1, f(1).length);
+%OptimizeFunctionOnNextCall(f);
+assertEquals(8, f(8).length);
+assertOptimized(f);
+assertEquals(1, f("8").length);
+assertOptimized(f);