Repurpose struct mro_meta to allow it to store cached linear ISA for arbitary

method resolution orders.

mro_linear_dfs becomes a hash holding the different MROs' private data.
mro_linear_c3 becomes a shortcut pointer to the current MRO's private data.

(cherry picked from commit fa60396f123333e92849ecaecffb9252458d6678)

1 files changed, 0 insertions, 1 deletions

diff --git a/hv.c b/hv.c
index 65b473cff3..e9bd1bd585 100644
--- a/hv.c
+++ b/hv.c
@@ -1704,7 +1704,6 @@ S_hfreeentries(pTHX_ HV *hv)
 
             if((meta = iter->xhv_mro_meta)) {
                 if(meta->mro_linear_dfs) SvREFCNT_dec(meta->mro_linear_dfs);
-                if(meta->mro_linear_c3)  SvREFCNT_dec(meta->mro_linear_c3);
                 if(meta->mro_nextmethod) SvREFCNT_dec(meta->mro_nextmethod);
                 SvREFCNT_dec(meta->isa);
                 Safefree(meta);