change#4705 breaks code that interpolates $], so leave string value

of $] as it was for compatibility (and perhaps introduce $^V or similar
for the utf8 representation, maybe?)

p4raw-link: @4705 on //depot/utfperl: a7cb1f9979dd83ab32266dc555f72f0939829c3f

p4raw-id: //depot/perl@4742

1 files changed, 5 insertions, 2 deletions

diff --git a/gv.c b/gv.c
index e2c63497ce..30d8f1e1e2 100644
--- a/gv.c
+++ b/gv.c
@@ -812,8 +812,11 @@ Perl_gv_fetchpv(pTHX_ const char *nambeg, I32 add, I32 sv_type)
     case ']':
 	if (len == 1) {
 	    SV *sv = GvSV(gv);
-	    GvSV(gv) = SvREFCNT_inc(PL_patchlevel);
-	    SvREFCNT_dec(sv);
+	    (void)SvUPGRADE(sv, SVt_PVNV);
+	    SvNVX(sv) = SvNVX(PL_patchlevel);
+	    SvNOK_on(sv);
+	    (void)SvPV_nolen(sv);
+	    SvREADONLY_on(sv);
 	}
 	break;
     }