From 629199b00cf75e7ff480c5cb6c73f56c455458ae Mon Sep 17 00:00:00 2001
From: Daniel Gurney <dgurney99@gmail.com>
Date: Wed, 7 Mar 2018 22:00:05 +0200
Subject: [PATCH] -O6 isn't a real -O level, and is just treated as -O3.

---
 src/win/Makefile.mingw | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/win/Makefile.mingw b/src/win/Makefile.mingw
index 6c26c06..aa75076 100644
--- a/src/win/Makefile.mingw
+++ b/src/win/Makefile.mingw
@@ -275,7 +275,7 @@ else
  ifeq ($(OPTIM), y)
   AOPTIM	:= -mtune=native
   ifndef COPTIM
-   COPTIM	:= -O6
+   COPTIM	:= -O3
   endif
  else
   ifndef COPTIM