https://git.ruby-lang.org/ruby.git/commit/?id=0a43f0de27

From 0a43f0de27b8724a0932be2679aa39467c68f750 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=9C=E9=83=A8=E6=98=8C=E5=B9=B3?=
 <shyouhei@r...>
Date: Fri, 5 Mar 2021 16:26:34 +0900
Subject: rb_enc_symname_type: refactor reduce goto

A bit readable to me.
---
 symbol.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/symbol.c b/symbol.c
index 1a46985..7dda4d2 100644
--- a/symbol.c
+++ b/symbol.c
@@ -372,9 +372,8 @@ rb_enc_symname_type(const char *name, long len, rb_encoding *enc, unsigned int a https://github.com/ruby/ruby/blob/trunk/symbol.c#L372
 
     switch (f.kind) {
       case invalid:  return -1;
-      case stophere: goto stophere;
-      case needmore: break;
-    }
+      case stophere: break;
+      case needmore:
 
     if (m >= e || (*m != '_' && !ISALPHA(*m) && ISASCII(*m))) {
         if (len > 1 && *(e-1) == '=') {
@@ -384,7 +383,7 @@ rb_enc_symname_type(const char *name, long len, rb_encoding *enc, unsigned int a https://github.com/ruby/ruby/blob/trunk/symbol.c#L383
         return -1;
     }
     while (m < e && is_identchar(m, e, enc)) m += rb_enc_mbclen(m, e, enc);
-    if (m >= e) goto stophere;
+    if (m >= e) break;
     switch (*m) {
       case '!': case '?':
         if (type == ID_GLOBAL || type == ID_CLASS || type == ID_INSTANCE) return -1;
@@ -398,8 +397,8 @@ rb_enc_symname_type(const char *name, long len, rb_encoding *enc, unsigned int a https://github.com/ruby/ruby/blob/trunk/symbol.c#L397
         ++m;
         break;
     }
+    }
 
-  stophere:
     return m == e ? type : -1;
 }
 
-- 
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