Upload Kmake

deps/v8/test/mjsunit/regress-376738752.js

@@ -0,0 +1,25 @@
+// 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
+
+let x = 0;    // Initial value. It doesn't matter...
+x = -12.65;   // Transition to kMutableHeapNumber.
+
+function write(a) {
+  x = a;
+}
+
+// Get context slot mutable number reference if leaked.
+let y = x;
+
+// Update mutable heap number.
+%PrepareFunctionForOptimization(write);
+write(2.2);
+write(-7.8);
+%OptimizeFunctionOnNextCall(write);
+write(2.2);
+
+assertEquals(x, 2.2);
+assertEquals(y, -12.65);