From 9edbef8bf5685041cbc834fbf0b9fc702ffa01eb Mon Sep 17 00:00:00 2001
From: Cheng <git@zcbenz.com>
Date: Mon, 23 Sep 2024 10:20:27 +0900
Subject: [PATCH] src: do not call path.back() when it is empty

---
 src/path.cc | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/path.cc b/src/path.cc
index f1813596ff78ff..df6a11644b4c1a 100644
--- a/src/path.cc
+++ b/src/path.cc
@@ -266,11 +266,11 @@ std::string PathResolve(Environment* env,
   for (int i = numArgs - 1; i >= -1 && !resolvedAbsolute; i--) {
     const std::string& path = (i >= 0) ? std::string(paths[i]) : cwd;
 
-    if (static_cast<size_t>(i) == numArgs - 1 && path.back() == '/') {
-      slashCheck = true;
-    }
-
     if (!path.empty()) {
+      if (static_cast<size_t>(i) == numArgs - 1 && path.back() == '/') {
+        slashCheck = true;
+      }
+
       resolvedPath = std::string(path) + "/" + resolvedPath;
 
       if (path.front() == '/') {