31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
105 lines
2.1 KiB
JavaScript
105 lines
2.1 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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(() => {
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function f(a) {
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return "abc".concat();
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}
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%PrepareFunctionForOptimization(f);
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assertEquals("abc", f());
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assertEquals("abc", f());
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%OptimizeFunctionOnNextCall(f);
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assertEquals("abc", f());
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})();
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(() => {
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function f(a) {
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return "abc".concat(a);
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}
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%PrepareFunctionForOptimization(f);
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assertEquals("abcde", f("de"));
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assertEquals("abcde", f("de"));
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%OptimizeFunctionOnNextCall(f);
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assertEquals("abcde", f("de"));
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})();
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(() => {
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function f(a) {
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return "abc".concat(a);
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}
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%PrepareFunctionForOptimization(f);
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assertEquals("abcde", f("de"));
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assertEquals("abcde", f("de"));
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%OptimizeFunctionOnNextCall(f);
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assertEquals("abc1", f(1));
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})();
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(() => {
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function f(a) {
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return "abc".concat(a);
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}
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%PrepareFunctionForOptimization(f);
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assertEquals("abcde", f("de"));
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assertEquals("abcde", f("de"));
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%OptimizeFunctionOnNextCall(f);
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var s = "x".repeat(%StringMaxLength());
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assertThrows(() => f(s), RangeError);
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})();
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(() => {
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function f(a) {
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return "ab".concat("c");
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}
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%PrepareFunctionForOptimization(f);
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assertEquals("abc", f());
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assertEquals("abc", f());
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%OptimizeFunctionOnNextCall(f);
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assertEquals("abc", f());
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})();
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(() => {
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function f(a) {
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return "ab".concat("c", a);
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}
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%PrepareFunctionForOptimization(f);
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assertEquals("abcde", f("de"));
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assertEquals("abcde", f("de"));
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%OptimizeFunctionOnNextCall(f);
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assertEquals("abcde", f("de"));
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})();
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(() => {
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function f(a) {
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return "ab".concat("c", a);
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}
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%PrepareFunctionForOptimization(f);
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assertEquals("abcde", f("de"));
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assertEquals("abcde", f("de"));
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%OptimizeFunctionOnNextCall(f);
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assertEquals("abc1", f(1));
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})();
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(() => {
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function f(a) {
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return "ab".concat("c", a);
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}
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%PrepareFunctionForOptimization(f);
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assertEquals("abcde", f("de"));
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assertEquals("abcde", f("de"));
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%OptimizeFunctionOnNextCall(f);
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var s = "x".repeat(%StringMaxLength());
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assertThrows(() => f(s), RangeError);
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})();
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