linkify: compile $LINK_RE once

This gives a 3-4% performance improvement in xt/perf-msgview.t
with a mirror of https://public-inbox.org/meta/

diff --git a/lib/PublicInbox/Linkify.pm b/lib/PublicInbox/Linkify.pm
index af9be3ff1632be1d8f7ede077f982c55501a782e..77b94f56af4fc104789ed76ce58483afbd98fd38 100644 (file)
--- a/lib/PublicInbox/Linkify.pm
+++ b/lib/PublicInbox/Linkify.pm
@@ -70,7 +70,7 @@ sub linkify_1 {
 
                $_[0]->{$key} = $url;
                $beg . 'PI-LINK-'. $key . $end;
-       ^ge;
+       ^geo;
        $_[1];
 }