From 9f2b338bc01832e335f652e23f1318ee44cdd63c Mon Sep 17 00:00:00 2001
From: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
Date: Fri, 23 Jan 2026 13:41:00 +0000
Subject: [PATCH] subprocess: Fix `-Wunused-private-field` for `Popen` class on
 Windows

When compiling with clang-cl on Windows, `src/util/subprocess.h` emits
`-Wunused-private-field` warnings about unused private fields in the
`Popen` class.
---
 src/util/subprocess.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/util/subprocess.h b/src/util/subprocess.h
index e90c165205e..e261215cc50 100644
--- a/src/util/subprocess.h
+++ b/src/util/subprocess.h
@@ -1024,6 +1024,9 @@ private:
 #ifdef __USING_WINDOWS__
   HANDLE process_handle_;
   std::future<void> cleanup_future_;
+#else
+  // Pid of the child process
+  int child_pid_ = -1;
 #endif
 
   std::string exe_name_;
@@ -1034,9 +1037,6 @@ private:
   std::vector<std::string> vargs_;
   std::vector<char*> cargv_;
 
-  // Pid of the child process
-  int child_pid_ = -1;
-
   int retcode_ = -1;
 };