[win32] merge change#985 from maintbranch
[p5sagit/p5-mst-13.2.git] / pp.c
diff --git a/pp.c b/pp.c
index 0ebb98b..bd5fd38 100644 (file)
--- a/pp.c
+++ b/pp.c
@@ -322,7 +322,11 @@ PP(pp_pos)
        }
 
        LvTYPE(TARG) = '.';
-       LvTARG(TARG) = sv;
+       if (LvTARG(TARG) != sv) {
+           if (LvTARG(TARG))
+               SvREFCNT_dec(LvTARG(TARG));
+           LvTARG(TARG) = SvREFCNT_inc(sv);
+       }
        PUSHs(TARG);    /* no SvSETMAGIC */
        RETURN;
     }
@@ -1880,7 +1884,11 @@ PP(pp_substr)
            }
 
            LvTYPE(TARG) = 'x';
-           LvTARG(TARG) = sv;
+           if (LvTARG(TARG) != sv) {
+               if (LvTARG(TARG))
+                   SvREFCNT_dec(LvTARG(TARG));
+               LvTARG(TARG) = SvREFCNT_inc(sv);
+           }
            LvTARGOFF(TARG) = pos;
            LvTARGLEN(TARG) = rem;
        }
@@ -1917,7 +1925,11 @@ PP(pp_vec)
            }
 
            LvTYPE(TARG) = 'v';
-           LvTARG(TARG) = src;
+           if (LvTARG(TARG) != src) {
+               if (LvTARG(TARG))
+                   SvREFCNT_dec(LvTARG(TARG));
+               LvTARG(TARG) = SvREFCNT_inc(src);
+           }
            LvTARGOFF(TARG) = offset;
            LvTARGLEN(TARG) = size;
        }