From 3a0b2a907b0168be8ef7aade95bd2ec3991fa78c Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Wed, 18 Nov 2015 23:24:50 +0100
Subject: [PATCH] x64/LJ_GC64: Fix stack growth in vararg function setup.

Thanks to Vyacheslav Egorov.
---
 src/vm_x64.dasc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vm_x64.dasc b/src/vm_x64.dasc
index e7e990ae..bba89aaf 100644
--- a/src/vm_x64.dasc
+++ b/src/vm_x64.dasc
@@ -531,7 +531,7 @@ static void build_subroutines(BuildCtx *ctx)
   |  jmp >2
   |
   |->vm_growstack_v:			// Grow stack for vararg Lua function.
-  |  sub RD, 8
+  |  sub RD, 16				// LJ_FR2
   |  jmp >1
   |
   |->vm_growstack_f:			// Grow stack for fixarg Lua function.