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deps/v8/test/mjsunit/maglev/eager-deopt-in-inline.js

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+// Copyright 2022 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 --maglev --maglev-inlining
+
+function inner(o) {
+  "use strict"
+  return 10 + o.x + 100;
+}
+
+function foo(o) {
+  return 1000 + inner(o) + 10000;
+}
+
+%PrepareFunctionForOptimization(inner);
+%PrepareFunctionForOptimization(foo);
+assertEquals(11111, foo({x:1}));
+assertEquals(11111, foo({x:1}));
+
+%OptimizeMaglevOnNextCall(foo);
+// The inlined inner function will deopt -- this deopt should succeed.
+assertEquals(11111, foo({y:2,x:1}));