From fed54fc9a5819d43ab60518306925c38f5e2bc43 Mon Sep 17 00:00:00 2001
From: Andrew Dunstan <andrew@dunslane.net>
Date: Fri, 25 Nov 2022 15:28:38 -0500
Subject: [PATCH] Allow building with MSVC and Strawberry perl

Strawberry uses __builtin_expect which Visual C doesn't have. For this
case define it as a noop. Solution taken from vim sources.

Backpatch to all live branches
---
 src/pl/plperl/plperl.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/pl/plperl/plperl.h b/src/pl/plperl/plperl.h
index c662d175091..cb67d638308 100644
--- a/src/pl/plperl/plperl.h
+++ b/src/pl/plperl/plperl.h
@@ -54,6 +54,8 @@
 #ifdef isnan
 #undef isnan
 #endif
+/* Work around for using MSVC and Strawberry Perl >= 5.30. */
+#define __builtin_expect(expr, val) (expr)
 #endif
 
 /*