deparse.t: mask STDERR noise on lex sub TODO test

A Deparse TODO test which tries to deparse lexical subs, produce a bunch of
"unexpected OP_CLONE" etc on STDERR (since it doesn't handle those new ops
yet). Capture and skip those warnings for now.

Also, add 'no warnings "experimental::lexical_subs"'
to stop a warning about using an experimental feature.

diff --git a/dist/B-Deparse/t/deparse.t b/dist/B-Deparse/t/deparse.t
index df90124..dce0460 100644 (file)
--- a/dist/B-Deparse/t/deparse.t
+++ b/dist/B-Deparse/t/deparse.t
@@ -1372,6 +1372,16 @@ my($a, $b, $c) = @_;
 # SKIP ?$] < 5.017004 && "lexical subs not implemented on this Perl version"
 # TODO unimplemented in B::Deparse; RT #116553
 # lexical subroutine
+
+# XXX remove this __WARN__ once the ops are correctly implemented
+BEGIN {
+    $SIG{__WARN__} = sub {
+       return if $_[0] =~ /unexpected OP_(CLONE|INTRO|PAD)CV/;
+       print STDERR @_;
+    }
+}
+
 use feature 'lexical_subs';
+no warnings "experimental::lexical_subs";
 my sub f {}
 print f();