From 9151880046eb1e92435d662106fbca031e85ffd4 Mon Sep 17 00:00:00 2001
From: Brandon Wright <bearoso@gmail.com>
Date: Sat, 2 Jun 2018 14:28:43 -0500
Subject: [PATCH] Disable tree-vrp on GCC for this function. GCC miscompiles
 it.

---
 gfx.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gfx.cpp b/gfx.cpp
index 46ec51a3..df70a885 100644
--- a/gfx.cpp
+++ b/gfx.cpp
@@ -997,6 +997,8 @@ static void SetupOBJ (void)
 	IPPU.OBJChanged = FALSE;
 }
 
+#pragma GCC push_options
+#pragma GCC optimize ("no-tree-vrp")
 static void DrawOBJS (int D)
 {
 	void (*DrawTile) (uint32, uint32, uint32, uint32) = NULL;
@@ -1089,6 +1091,8 @@ static void DrawOBJS (int D)
 		}
 	}
 }
+#pragma GCC pop_options
+
 
 static void DrawBackground (int bg, uint8 Zh, uint8 Zl)
 {