Upload Kmake

deps/v8/test/mjsunit/regress/regress-1189077.js

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+// Copyright 2021 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
+
+const string_max_length = %StringMaxLength();
+const longest_double = -2.2250738585105353E-308;
+const s18 = "A".repeat(string_max_length - 18);
+const s23 = "A".repeat(string_max_length - 23);
+const s24 = "A".repeat(string_max_length - 24);
+const s25 = "A".repeat(string_max_length - 25);
+
+(function() {
+  function f() {
+    return s18 + longest_double;
+  }
+
+  %PrepareFunctionForOptimization(f);
+  assertThrows(f, RangeError);
+  %OptimizeFunctionOnNextCall(f);
+  assertThrows(f, RangeError);
+})();
+
+(function() {
+  function f() {
+    return s23 + longest_double;
+  }
+
+  %PrepareFunctionForOptimization(f);
+  assertThrows(f, RangeError);
+  %OptimizeFunctionOnNextCall(f);
+  assertThrows(f, RangeError);
+})();
+
+(function() {
+  function f() {
+    return s24 + longest_double;
+  }
+
+  %PrepareFunctionForOptimization(f);
+  assertEquals(string_max_length, f().length);
+  %OptimizeFunctionOnNextCall(f);
+  assertEquals(string_max_length, f().length);
+})();
+
+(function() {
+  function f() {
+    return s25 + longest_double;
+  }
+
+  %PrepareFunctionForOptimization(f);
+  assertEquals(string_max_length - 1, f().length);
+  %OptimizeFunctionOnNextCall(f);
+  assertEquals(string_max_length - 1, f().length);
+})();