Merge V8 5.3.332.45. DO NOT MERGE
Test: Manual
FPIIM-449
Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/test/mjsunit/harmony/async-await-basic.js b/test/mjsunit/harmony/async-await-basic.js
index d0888ea..ba0350f 100644
--- a/test/mjsunit/harmony/async-await-basic.js
+++ b/test/mjsunit/harmony/async-await-basic.js
@@ -343,5 +343,27 @@
assertEquals("async x => x", (async x => x).toString());
assertEquals("async x => { return x }", (async x => { return x }).toString());
class AsyncMethod { async foo() { } }
-assertEquals("async foo() { }", Function.prototype.toString.call(AsyncMethod.prototype.foo));
-assertEquals("async foo() { }", Function.prototype.toString.call({async foo() { }}.foo));
+assertEquals("async foo() { }",
+ Function.prototype.toString.call(AsyncMethod.prototype.foo));
+assertEquals("async foo() { }",
+ Function.prototype.toString.call({async foo() { }}.foo));
+
+// Async functions are not constructible
+assertThrows(() => class extends (async function() {}) {}, TypeError);
+
+// Regress v8:5148
+assertEqualsAsync("1", () => (async({ a = NaN }) => a)({ a: "1" }));
+assertEqualsAsync(
+ "10", () => (async(foo, { a = NaN }) => foo + a)("1", { a: "0" }));
+assertEqualsAsync("2", () => (async({ a = "2" }) => a)({ a: undefined }));
+assertEqualsAsync(
+ "20", () => (async(foo, { a = "0" }) => foo + a)("2", { a: undefined }));
+assertThrows(() => eval("async({ foo = 1 })"), SyntaxError);
+assertThrows(() => eval("async(a, { foo = 1 })"), SyntaxError);
+
+// https://bugs.chromium.org/p/chromium/issues/detail?id=638019
+async function gaga() {
+ let i = 1;
+ while (i-- > 0) { await 42 }
+}
+assertDoesNotThrow(gaga);