Raw integrate of mainline for S_grok_number debug

(sv.c has MULTIPLICITY issues as well as whatever else ...)

p4raw-id: //depot/perlio@10465

1 files changed, 10 insertions, 0 deletions

diff --git a/t/op/misc.t b/t/op/misc.t
index 881f99dc18..679dd91d0d 100755
--- a/t/op/misc.t
+++ b/t/op/misc.t
@@ -599,6 +599,16 @@ EOT
 EXPECT
 ok
 ########
+# test that closures generated by eval"" hold on to the CV of the eval""
+# for their entire lifetime
+$code = eval q[
+  sub { eval '$x = "ok 1\n"'; }
+];
+&{$code}();
+print $x;
+EXPECT
+ok 1
+########
 # This test is here instead of pragma/locale.t because
 # the bug depends on in the internal state of the locale
 # settings and pragma/locale messes up that state pretty badly.