Eliminate PL_dirty

It now only exists as a compatibility macro for extensions that want to
introspect it.

1 files changed, 1 insertions, 1 deletions

diff --git a/hv.c b/hv.c
index b43523954a..615cec2742 100644
--- a/hv.c
+++ b/hv.c
@@ -1856,7 +1856,7 @@ Perl_hv_undef(pTHX_ HV *hv)
     DEBUG_A(Perl_hv_assert(aTHX_ hv));
     xhv = (XPVHV*)SvANY(hv);
 
-    if ((name = HvENAME_get(hv)) && !PL_dirty)
+    if ((name = HvENAME_get(hv)) && PL_phase != PERL_PHASE_DESTRUCT)
     {
         /* Delete the @ISA element before calling mro_package_moved, so it
            does not see it. */