From da9f382d2c59ce76f5ced0f680bb200b316f8389 Mon Sep 17 00:00:00 2001
From: xperia64 <xperiancedapps@gmail.com>
Date: Fri, 12 Jan 2024 23:24:01 -0500
Subject: [PATCH] web_service: avoid undefined behavior assert of
 std::string::back (#7347)

Co-authored-by: BuildTools <unconfigured@null.spigotmc.org>
---
 src/web_service/web_backend.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/web_service/web_backend.cpp b/src/web_service/web_backend.cpp
index a7831069b..c5a2108f2 100644
--- a/src/web_service/web_backend.cpp
+++ b/src/web_service/web_backend.cpp
@@ -30,7 +30,7 @@ struct Client::Impl {
             jwt = jwt_cache.jwt;
         }
         // normalize host expression
-        if (this->host.back() == '/') {
+        if (!this->host.empty() && this->host.back() == '/') {
             static_cast<void>(this->host.pop_back());
         }
     }