fix errors in new MY_CTX code

p4raw-id: //depot/perl@26535

2 files changed, 4 insertions, 1 deletions

diff --git a/perl.c b/perl.c
index 469593b744..b91373a04e 100644
--- a/perl.c
+++ b/perl.c
@@ -159,6 +159,9 @@ S_init_tls_and_interp(PerlInterpreter *my_perl)
 	OP_REFCNT_INIT;
 	MUTEX_INIT(&PL_dollarzero_mutex);
 #  endif
+#ifdef PERL_IMPLICIT_CONTEXT
+	MUTEX_INIT(&PL_my_ctx_mutex);
+#  endif
     }
     else {
 	PERL_SET_THX(my_perl);
diff --git a/sv.c b/sv.c
index 4c615e4411..f377c5902e 100644
--- a/sv.c
+++ b/sv.c
@@ -10483,7 +10483,7 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags,
 	PL_exitlist	= (PerlExitListEntry*)NULL;
 
     PL_my_cxt_size = proto_perl->Imy_cxt_size;
-    if (PL_my_cxt_size) {
+    if (PL_my_cxt_size != -1) {
 	Newx(PL_my_cxt_list, PL_my_cxt_size, void *);
 	Copy(proto_perl->Imy_cxt_list, PL_my_cxt_list, PL_my_cxt_size, void *);
     }