From 8993e34a9f055e9bc6484c2e1638361d847a1d18 Mon Sep 17 00:00:00 2001
From: James E Keenan <jkeenan@cpan.org>
Date: Sun, 28 Mar 2021 14:23:41 +0000
Subject: [PATCH] Silence one build-time warning

Observed in clang 9 and 10.

Partial solution for https://github.com/Perl/perl5/issues/17015
---
 sv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sv.c b/sv.c
index b1a95a80ca21..c040d9a8a40c 100644
--- a/sv.c
+++ b/sv.c
@@ -12513,7 +12513,7 @@ Perl_sv_vcatpvfn_flags(pTHX_ SV *const sv, const char *const pat, const STRLEN p
                  && q == fmtstart + 1 /* plain %d, not %....d */
                  && patend >= fmtstart + sizeof(UTF8f) - 1 /* long enough */
                  && *q == '%'
-                 && strnEQ(q + 1, UTF8f + 2, sizeof(UTF8f) - 3))
+                 && strnEQ(q + 1, (UTF8f) + 2, sizeof(UTF8f) - 3))
             {
 		/* The argument has already gone through cBOOL, so the cast
 		   is safe. */