Upload Kmake

deps/v8/test/mjsunit/maglev/regress/regress-crbug-1416795.js

@@ -0,0 +1,18 @@
+// Copyright 2023 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: --maglev --allow-natives-syntax
+
+function f(x) {
+  x++; // Making sure that {x} has a Float64 alternative
+  let phi = x ? 0 : x; // Creating a Phi whose inputs are Smi and Float64
+  const obj = { "d" : phi }; // Storing the Phi in a Smi field, which will
+                             // insert a CheckSmi
+  --phi; // Using the Smi as an Int32, which will insert a UnsafeSmiUntag
+}
+
+%PrepareFunctionForOptimization(f);
+f(1.5);
+%OptimizeMaglevOnNextCall(f);
+f(1.5);