Integrate change #9064 from maintperl into mainline.

fix memory leak in pack("Bb",...)

p4raw-link: @9064 on //depot/maint-5.6/perl: 58108105c16130ce852e73f8543b2ccc8bf2388f

p4raw-id: //depot/perl@9065
p4raw-integrated: from //depot/maint-5.6/perl@9063 'merge in' perl.c
	(@8986..)

1 files changed, 1 insertions, 0 deletions

diff --git a/perl.c b/perl.c
index b1d70b17c8..03b2ec1118 100644
--- a/perl.c
+++ b/perl.c
@@ -745,6 +745,7 @@ perl_destruct(pTHXx)
     Safefree(PL_op_mask);
     Safefree(PL_psig_ptr);
     Safefree(PL_psig_name);
+    Safefree(PL_bitcount);
     Safefree(PL_psig_pend);
     nuke_stacks();
     PL_hints = 0;		/* Reset hints. Should hints be per-interpreter ? */