From 1d8d515343d45a1e5326ff830b1e7282be0d0f9e Mon Sep 17 00:00:00 2001
From: MaxGraey <maxgraey@gmail.com>
Date: Tue, 2 Nov 2021 14:09:22 +0200
Subject: [PATCH 1/2] simplify stringLengthUTF8 more

---
 src/module.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/module.ts b/src/module.ts
index 791ecdb27a..2f0c8bfa30 100644
--- a/src/module.ts
+++ b/src/module.ts
@@ -3107,7 +3107,6 @@ function stringLengthUTF8(str: string): usize {
     } else if (u <= 0x7FF) {
       len += 2;
     } else if (u >= 0xD800 && u <= 0xDFFF && i + 1 < k) {
-      u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF);
       len += 4;
     } else {
       len += 3;

From b8485f40c5fb8d859d01d777aed60aef172dc8bc Mon Sep 17 00:00:00 2001
From: MaxGraey <maxgraey@gmail.com>
Date: Tue, 2 Nov 2021 14:11:25 +0200
Subject: [PATCH 2/2] fix

---
 src/module.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/module.ts b/src/module.ts
index 2f0c8bfa30..66a2ad14ea 100644
--- a/src/module.ts
+++ b/src/module.ts
@@ -3107,6 +3107,7 @@ function stringLengthUTF8(str: string): usize {
     } else if (u <= 0x7FF) {
       len += 2;
     } else if (u >= 0xD800 && u <= 0xDFFF && i + 1 < k) {
+      i++;
       len += 4;
     } else {
       len += 3;