Upload Kmake

deps/v8/test/mjsunit/turboshaft/maglev-frontend/catch.js

@@ -0,0 +1,31 @@
+// 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 --turbolev --turbofan
+
+function h(x) {
+  if (x) { willThrow(); }
+  else { return 17; }
+}
+%NeverOptimizeFunction(h);
+
+function f(a, b) {
+  let r = a;
+  try {
+    r = h(a);
+    return h(b) + r;
+  } catch {
+    return r * b;
+  }
+}
+
+%PrepareFunctionForOptimization(f);
+assertEquals(34, f(0, 0)); // Won't cause an exception
+assertEquals(187, f(0, 11)); // Will cause an exception on the 2nd call to h
+assertEquals(0, f(7, 0)); // Will cause an exception on the 1st call to h
+%OptimizeFunctionOnNextCall(f);
+assertEquals(34, f(0, 0));
+assertEquals(187, f(0, 11));
+assertEquals(0, f(7, 0));
+assertOptimized(f);