From 3bce5b2f30c2f711a5e8cf481fc8f6381f7b1436 Mon Sep 17 00:00:00 2001
From: Sizhe Zhao <prc.zhao@outlook.com>
Date: Thu, 31 Dec 2020 22:16:35 +0800
Subject: [PATCH] Fix ssize_t definition

---
 src/stage1/os.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/stage1/os.cpp b/src/stage1/os.cpp
index 5e5e08b083..49544102b2 100644
--- a/src/stage1/os.cpp
+++ b/src/stage1/os.cpp
@@ -42,7 +42,9 @@
 #include <fcntl.h>
 #include <ntsecapi.h>
 
-#if defined(_MSC_VER)
+// Workaround an upstream LLVM issue.
+// See https://github.com/ziglang/zig/issues/7614#issuecomment-752939981
+#if defined(_MSC_VER) && defined(_WIN64)
 typedef SSIZE_T ssize_t;
 #endif
 #else