From 848d14e20653a211b06c8e167810bd4fae2173cf Mon Sep 17 00:00:00 2001
From: Marijn Haverbeke <marijn@haverbeke.nl>
Date: Mon, 5 Oct 2020 08:04:58 +0200
Subject: [PATCH] Make await x ** y fail to parse

Closes #984
---
 acorn/src/expression.js  | 2 +-
 test/tests-asyncawait.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/acorn/src/expression.js b/acorn/src/expression.js
index cf7c05c87..f1e4f5811 100644
--- a/acorn/src/expression.js
+++ b/acorn/src/expression.js
@@ -1029,6 +1029,6 @@ pp.parseAwait = function() {
 
   let node = this.startNode()
   this.next()
-  node.argument = this.parseMaybeUnary(null, false)
+  node.argument = this.parseMaybeUnary(null, true)
   return this.finishNode(node, "AwaitExpression")
 }
diff --git a/test/tests-asyncawait.js b/test/tests-asyncawait.js
index f5d84794b..e5ed2e7c5 100644
--- a/test/tests-asyncawait.js
+++ b/test/tests-asyncawait.js
@@ -3524,6 +3524,6 @@ test("({ async delete() {} })", {}, {ecmaVersion: 8})
 
 testFail("abc: async function a() {}", "Unexpected token (1:5)", {ecmaVersion: 8})
 
-test("(async() => { await 4 ** 2 })()", {}, {ecmaVersion: 8})
+testFail("(async() => { await 4 ** 2 })()", "Unexpected token (1:22)", {ecmaVersion: 8})
 
 testFail("4 + async() => 2", "Unexpected token (1:12)", {ecmaVersion: 8, loose: false})