pp_subst: remove a superflous PUTBACK/SPAGAIN

These were added around a mg_set() call before the stack-of-stacks
mechanism was introduced, which has made them redundant.

This is another step in making two branches of code more identical

diff --git a/pp_hot.c b/pp_hot.c
index 88d42a5..5a920d4 100644 (file)
--- a/pp_hot.c
+++ b/pp_hot.c
@@ -2320,11 +2320,7 @@ PP(pp_subst)
        }
        (void)SvPOK_only_UTF8(TARG);
        TAINT_IF(rxtainted);
-       if (SvSMAGICAL(TARG)) {
-           PUTBACK;
-           mg_set(TARG);
-           SPAGAIN;
-       }
+       SvSETMAGIC(TARG);
        SvTAINT(TARG);
        if (doutf8)
            SvUTF8_on(TARG);