Upload Kmake

deps/v8/test/mjsunit/regress/regress-1073440.js

@@ -0,0 +1,35 @@
+// 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: --turbofan --allow-natives-syntax --no-always-turbofan
+
+function foo(n) {
+  try {
+    let v = 0n;
+    for (let i = 0; i < n; ++i) {
+      v = 3n + v;
+      v = i;
+    }
+  } catch (e) {
+    return 1;
+  }
+  return 0;
+}
+
+%PrepareFunctionForOptimization(foo);
+assertEquals(foo(1), 0);
+assertEquals(foo(1), 0);
+%OptimizeFunctionOnNextCall(foo);
+assertEquals(foo(1), 0);
+assertOptimized(foo);
+%PrepareFunctionForOptimization(foo);
+assertEquals(foo(2), 1);
+if (%Is64Bit()) {
+  assertUnoptimized(foo);
+}
+// Check that we learned something and do not loop deoptimizations.
+%OptimizeFunctionOnNextCall(foo);
+assertEquals(foo(1), 0);
+assertOptimized(foo);
+assertEquals(foo(2), 1);