From f7af1a214ce0ce7602a6a02c15bdbdf1a3ccc146 Mon Sep 17 00:00:00 2001
From: Vyacheslav Egorov <vegorov@google.com>
Date: Wed, 18 Nov 2015 21:56:11 +0100
Subject: [PATCH] Fix vm_growstack_v in vm_x64.dasc.

It was dropping only half of the two-slot frame info before
growing the stack and retrying the call.
---
 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..7c94efde 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  // Drop two-slot frame info.
   |  jmp >1
   |
   |->vm_growstack_f:			// Grow stack for fixarg Lua function.