From f1f0cc14cc7d3f9be35b203e5583f9224b1e2387 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Mon, 12 May 2025 10:16:11 +0900
Subject: [PATCH] Separate `__has_attribute` from `defined(__has_attribute)`

Fix Visual C warnings:
```
regenc.h(121): warning C4067: unexpected tokens following preprocessor directive - expected a newline
```
---
 regenc.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/regenc.h b/regenc.h
index b353ae0f9e..4b4d21a715 100644
--- a/regenc.h
+++ b/regenc.h
@@ -118,8 +118,10 @@ typedef struct {
 
 typedef struct {
   short int len;
-#if defined(__has_attribute) && __has_attribute(nonstring)
+#if defined(__has_attribute)
+# if __has_attribute(nonstring)
   __attribute__((nonstring))
+# endif
 #endif
   const UChar name[6];
   int       ctype;