From: Mike Pall <mike>
Date: Sun, 28 Apr 2013 09:31:41 +0000 (+0200)
Subject: Inhibit CSE for table.concat().
X-Git-Tag: v2.1.0-beta1~252
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=87993a601d2ebce6597180040d2e97d74d6cdcc4;p=thirdparty%2FLuaJIT.git

Inhibit CSE for table.concat().
---

diff --git a/src/lj_opt_fold.c b/src/lj_opt_fold.c
index 94d5702f..d8b6e884 100644
--- a/src/lj_opt_fold.c
+++ b/src/lj_opt_fold.c
@@ -602,6 +602,8 @@ LJFOLDF(bufstr_kfold_cse)
 		   ira->o == IR_CALLL || ira->o == IR_CARG);
 	if (ira->o == IR_BUFHDR && !(ira->op2 & IRBUFHDR_APPEND))
 	  return ref;  /* CSE succeeded. */
+	if (ira->o == IR_CALLL && ira->op2 == IRCALL_lj_buf_puttab)
+	  break;
 	ira = IR(ira->op1);
 	irb = IR(irb->op1);
       }