diff --git a/check.t b/check.t
index 48a8736..fa5fdce 100644
--- a/check.t
+++ b/check.t
@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.t,v 1.620 2013/07/24 12:39:25 tg Exp $
+# $MirOS: src/bin/mksh/check.t,v 1.621 2013/07/24 18:03:54 tg Exp $
 # $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
 # $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $
 # $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $
@@ -31,7 +31,7 @@
 # http://www.freebsd.org/cgi/cvsweb.cgi/src/tools/regression/bin/test/regress.sh?rev=HEAD
 
 expected-stdout:
-	@(#)MIRBSD KSH R47 2013/07/21
+	@(#)MIRBSD KSH R47 2013/07/24
 description:
 	Check version of shell.
 stdin:
@@ -40,7 +40,7 @@ name: KSH_VERSION
 category: shell:legacy-no
 ---
 expected-stdout:
-	@(#)LEGACY KSH R47 2013/07/21
+	@(#)LEGACY KSH R47 2013/07/24
 description:
 	Check version of legacy shell.
 stdin:
diff --git a/eval.c b/eval.c
index c64dbf4..b6ff1dc 100644
--- a/eval.c
+++ b/eval.c
@@ -23,7 +23,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.141 2013/07/24 12:39:28 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.142 2013/07/24 18:03:57 tg Exp $");
 
 /*
  * string expansion
@@ -1836,7 +1836,7 @@ alt_expand(XPtrV *wp, char *start, char *exp_start, char *end, int fdo)
 static char *
 valsub(struct op *t, Area *ap)
 {
-	char *cp = NULL;
+	char * volatile cp = NULL;
 	struct tbl * volatile vp = NULL;
 
 	newenv(E_FUNC);
diff --git a/sh.h b/sh.h
index 763b36e..e1d1ecc 100644
--- a/sh.h
+++ b/sh.h
@@ -164,9 +164,9 @@
 #endif
 
 #ifdef EXTERN
-__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.660 2013/07/21 18:47:22 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.661 2013/07/24 18:03:57 tg Exp $");
 #endif
-#define MKSH_VERSION "R47 2013/07/21"
+#define MKSH_VERSION "R47 2013/07/24"
 
 /* arithmetic types: C implementation */
 #if !HAVE_CAN_INTTYPES