devel/scanprov: Extract code into a fcn

[perl5.git] / av.c

diff --git a/av.c b/av.c
index 918844c..f10f124 100644 (file)
--- a/av.c
+++ b/av.c
@@ -356,8 +356,8 @@ Perl_av_store(pTHX_ AV *av, SSize_t key, SV *val)
        }
        AvFILLp(av) = key;
     }
-    else if (AvREAL(av))
-       SvREFCNT_dec(ary[key]);
+    else if (AvREAL(av) && LIKELY(ary[key] != val))
+        SvREFCNT_dec(ary[key]);
     ary[key] = val;
     if (SvSMAGICAL(av)) {
        const MAGIC *mg = SvMAGIC(av);