From 2ed0bb7f1edd189f8af9a5420be9b0718eadcbd5 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Thu, 28 Jan 2010 04:20:20 +0100
Subject: [PATCH] Drop obsolete frame shrinking after continuation return.

---
 src/lj_record.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/lj_record.c b/src/lj_record.c
index b7832752..f24c287d 100644
--- a/src/lj_record.c
+++ b/src/lj_record.c
@@ -1529,13 +1529,10 @@ static void rec_ret(jit_State *J, BCReg rbase, int gotresults)
     J->base -= cbase+1;
   } else if (frame_iscont(frame)) {
     ASMFunction cont = frame_contf(frame);
-    BCReg i, cbase = (BCReg)frame_delta(frame);
+    BCReg cbase = (BCReg)frame_delta(frame);
     J->pc = frame_contpc(frame)-1;
     J->baseslot -= (BCReg)cbase;
     J->base -= cbase;
-    /* Shrink maxslot as much as possible after return from continuation. */
-    for (i = cbase-2; i > 0 && J->base[i] == 0; i--) ;
-    J->maxslot = i;
     if (cont == lj_cont_ra) {
       /* Copy result to destination slot. */
       BCReg dst = bc_a(*J->pc);