add CvGV_set() macro and make CvGV() rvalue only

Now that CvGV can sometimes be reference counted, stop people from directly
assigning to it (by using CvGV as an lvalue), and instead force them to use
CvGV_set()

1 files changed, 1 insertions, 1 deletions

diff --git a/pad.c b/pad.c
index 3582544475..0b3c948ef2 100644
--- a/pad.c
+++ b/pad.c
@@ -1571,7 +1571,7 @@ Perl_cv_clone(pTHX_ CV *proto)
 #else
     CvFILE(cv)		= CvFILE(proto);
 #endif
-    cvgv_set(cv,CvGV(proto));
+    CvGV_set(cv,CvGV(proto));
     CvSTASH(cv)		= CvSTASH(proto);
     if (CvSTASH(cv))
 	Perl_sv_add_backref(aTHX_ MUTABLE_SV(CvSTASH(cv)), MUTABLE_SV(cv));