regcomp.c: Reorder if to silence valgrind

It is better to test that a pointer is in bounds before dereferencing it
even though in this case it doesn't lead to an actual error.

1 files changed, 4 insertions, 2 deletions

diff --git a/regcomp.c b/regcomp.c
index addc0d0266..1e1182706a 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -9921,8 +9921,10 @@ parseit:
 	}
 	else {
 	    prevvalue = value; /* save the beginning of the range */
-	    if (*RExC_parse == '-' && RExC_parse+1 < RExC_end &&
-		RExC_parse[1] != ']') {
+	    if (RExC_parse+1 < RExC_end
+		&& *RExC_parse == '-'
+		&& RExC_parse[1] != ']')
+	    {
 		RExC_parse++;
 
 		/* a bad range like \w-, [:word:]- ? */