Upload Kmake

deps/v8/test/mjsunit/regress/wasm/regress-390467420.js

@@ -0,0 +1,18 @@
+// Copyright 2025 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 --wasm-staging
+
+d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
+
+let builder = new WasmModuleBuilder();
+let sig = makeSig([kWasmStringRef], [kWasmStringRef]);
+let imp = builder.addImport('m', 'toLowerCase', kSig_v_v);
+builder.addFunction('call_tolower', sig).exportFunc().addBody([
+  kExprLocalGet, 0, kExprCallFunction, imp
+]);
+let module = builder.toModule();
+let bound_call = () => Function.prototype.call.bind();
+let instance = new WebAssembly.Instance(module, {m: {toLowerCase: bound_call}});
+%WasmTriggerTierUpForTesting(instance.exports.call_tolower);