From f17b0388280057aaac2466b9c68ad0ed250eced8 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Tue, 9 Apr 2013 11:50:33 +0200
Subject: [PATCH 1/2] Inhibit DSE for implicit loads via calls.

---
 src/lj_opt_mem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lj_opt_mem.c b/src/lj_opt_mem.c
index bf77666b..98974ce3 100644
--- a/src/lj_opt_mem.c
+++ b/src/lj_opt_mem.c
@@ -347,7 +347,7 @@ TRef LJ_FASTCALL lj_opt_dse_ahstore(jit_State *J)
 	IRIns *ir;
 	/* Check for any intervening guards (includes conflicting loads). */
 	for (ir = IR(J->cur.nins-1); ir > store; ir--)
-	  if (irt_isguard(ir->t))
+	  if (irt_isguard(ir->t) || ir->o == IR_CALLL)
 	    goto doemit;  /* No elimination possible. */
 	/* Remove redundant store from chain and replace with NOP. */
 	*refp = store->prev;

From b1327bcf89ab58fe2824eff73fdec28bc9acc305 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Tue, 9 Apr 2013 16:33:47 +0200
Subject: [PATCH 2/2] Document support for Lua 5.2 extension of loadfile().

---
 doc/extensions.html | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/doc/extensions.html b/doc/extensions.html
index 2bfcc76c..8684dc32 100644
--- a/doc/extensions.html
+++ b/doc/extensions.html
@@ -248,8 +248,9 @@ enabled:
 <ul>
 <li><tt>goto</tt> and <tt>::labels::</tt>.</li>
 <li>Hex escapes <tt>'\x3F'</tt> and <tt>'\*'</tt> escape in strings.</li>
-<li><tt>load(string|reader, chunkname [,mode [,env]])</tt>.
-<tt>loadstring()</tt> is an alias.</li>
+<li><tt>load(string|reader [, chunkname [,mode [,env]]])</tt>.</li>
+<li><tt>loadstring()</tt> is an alias for <tt>load()</tt>.</li>
+<li><tt>loadfile(filename [,mode [,env]])</tt>.</li>
 <li><tt>math.log(x [,base])</tt>.
 <li><tt>string.rep(s, n [,sep])</tt>.
 <li><tt>string.format()</tt>: <tt>%q</tt> reversible.