Call FETCH once for values in {...}

I broke this inadvertently in v5.17.5-55-g3ed356d while fixing a
memory leak.

1 files changed, 1 insertions, 1 deletions

diff --git a/pp.c b/pp.c
index e887ac6223..182fa7175b 100644
--- a/pp.c
+++ b/pp.c
@@ -5037,7 +5037,7 @@ PP(pp_anonhash)
 	    MARK++;
 	    SvGETMAGIC(*MARK);
 	    val = newSV(0);
-	    sv_setsv(val, *MARK);
+	    sv_setsv_nomg(val, *MARK);
 	}
 	else
 	{