From 353ca83f73dba0c7661a061215cc8508051a1be9 Mon Sep 17 00:00:00 2001
From: b-r-o-c-k <brockmammen@gmail.com>
Date: Sun, 4 Mar 2018 17:44:23 -0600
Subject: build/msvc: Workaround for compiler optimization bug

---
 src/nvim/option.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/nvim/option.c b/src/nvim/option.c
index eff436eb4d..d6903c8db7 100644
--- a/src/nvim/option.c
+++ b/src/nvim/option.c
@@ -2436,6 +2436,11 @@ static bool valid_filetype(char_u *val)
   return true;
 }
 
+#ifdef _MSC_VER
+// MSVC optimizations are disabled for this function because it
+// incorrectly generates an empty string for SHM_ALL.
+#pragma optimize("", off)
+#endif
 /*
  * Handle string options that need some action to perform when changed.
  * Returns NULL for success, or an error message for an error.
@@ -3305,6 +3310,9 @@ did_set_string_option (
 
   return errmsg;
 }
+#ifdef _MSC_VER
+#pragma optimize("", on)
+#endif
 
 /*
  * Simple int comparison function for use with qsort()
-- 
cgit