Revert the sv.c part of #6559, a better fix is needed.

p4raw-id: //depot/perl@6573

1 files changed, 6 insertions, 2 deletions

diff --git a/sv.c b/sv.c
index 92c53ee667..382805f362 100644
--- a/sv.c
+++ b/sv.c
@@ -6563,8 +6563,12 @@ Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV
 		*--eptr = '#';
 	    *--eptr = '%';
 
-	    (void)sprintf(PL_efloatbuf, eptr, nv);
-	
+	    {
+		RESTORE_NUMERIC_STANDARD();
+		(void)sprintf(PL_efloatbuf, eptr, nv);
+		RESTORE_NUMERIC_LOCAL();
+	    }
+
 	    eptr = PL_efloatbuf;
 	    elen = strlen(PL_efloatbuf);
 	    break;