Upload Kmake

deps/v8/test/mjsunit/turboshaft/regress-381129317.js

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+// 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 --turboshaft-string-concat-escape-analysis
+// Flags: --turbofan
+
+// In this test, `bar` will have a FrameState that contains an escaped string
+// concatenation, but it will actually be deduplicated to a reference to the
+// same string concatenation in its parent FrameState (for foo).
+
+function bar(a, b) {
+  %DeoptimizeFunction(foo);
+}
+
+function foo(a) {
+  bar('@@' + a + '~~');
+}
+
+%PrepareFunctionForOptimization(bar);
+%PrepareFunctionForOptimization(foo);
+foo('a');
+foo('a');
+
+%OptimizeFunctionOnNextCall(foo);
+foo('a');