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deps/v8/test/mjsunit/regress/regress-1510761.js

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+// 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.
+//
+// Note: The turboshaft-assert-types is needed (at least for these reproducer
+// functions) to reach the VisitInt64XXXWithOverflow during instruction
+// selection.
+//
+// Flags: --allow-natives-syntax --turboshaft-assert-types
+
+function add(a, b) {
+    return a + b;
+}
+
+function sub(a, b) {
+    return a - b;
+}
+
+function mul(a, b) {
+    return a * b;
+}
+
+let int64Max = 9223372036854775807n;
+
+%PrepareFunctionForOptimization(add);
+assertEquals(3n, add(1n, 2n));
+%OptimizeFunctionOnNextCall(add);
+assertEquals(3n, add(1n, 2n));
+// This will cause an overflow on the int64.
+assertEquals(int64Max + int64Max, add(int64Max, int64Max));
+
+%PrepareFunctionForOptimization(sub);
+assertEquals(-1n, sub(1n, 2n));
+%OptimizeFunctionOnNextCall(sub);
+assertEquals(-1n, sub(1n, 2n));
+// This will cause an overflow on the int64.
+assertEquals(int64Max + int64Max, sub(int64Max, -int64Max));
+
+%PrepareFunctionForOptimization(mul);
+assertEquals(6n, mul(2n, 3n));
+%OptimizeFunctionOnNextCall(mul);
+assertEquals(6n, mul(2n, 3n));
+// This will cause an overflow on the int64.
+assertEquals(int64Max * int64Max, mul(int64Max, int64Max));