From d3af2fcd8096401b5618a7e479bfb5b25e129eed Mon Sep 17 00:00:00 2001
From: David Bonnet <david@bonnet.cc>
Date: Wed, 3 Feb 2021 13:59:32 +0100
Subject: [PATCH] fix: lower yield operator precedence

---
 src/astring.js                          | 2 +-
 src/tests/fixtures/syntax/precedence.js | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/astring.js b/src/astring.js
index d1bce28c..3fd28d40 100644
--- a/src/astring.js
+++ b/src/astring.js
@@ -80,11 +80,11 @@ export const EXPRESSIONS_PRECEDENCE = {
   UpdateExpression: 16,
   UnaryExpression: 15,
   AwaitExpression: 15,
-  YieldExpression: 15,
   BinaryExpression: 14,
   LogicalExpression: 13,
   ConditionalExpression: 4,
   AssignmentExpression: 3,
+  YieldExpression: 2,
   RestElement: 1,
 }
 
diff --git a/src/tests/fixtures/syntax/precedence.js b/src/tests/fixtures/syntax/precedence.js
index 17bce5f2..79c205c2 100644
--- a/src/tests/fixtures/syntax/precedence.js
+++ b/src/tests/fixtures/syntax/precedence.js
@@ -46,5 +46,7 @@ g = b + -+-a++;
   await f().a;
   yield 1;
   yield 1 + 2;
+  (yield 1) + (yield 2);
+  yield a = b;
   const c = yield 3;
 });