https://git.ruby-lang.org/ruby.git/commit/?id=aefb7e5fa5

From aefb7e5fa5f60d6ad9a6cf56bbf9ac950cee302e Mon Sep 17 00:00:00 2001
From: TSUYUSATO Kitsune <make.just.on@g...>
Date: Tue, 4 Oct 2022 14:36:09 +0900
Subject: Add static declaration to new functions

---
 regexec.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/regexec.c b/regexec.c
index 1633871647..07e5ed28c6 100644
--- a/regexec.c
+++ b/regexec.c
@@ -235,7 +235,7 @@ onig_get_capture_tree(OnigRegion* region) https://github.com/ruby/ruby/blob/trunk/regexec.c#L235
 
 /* count number of jump-like opcodes for allocation of cache memory. */
 /* return -1 if we cannot optimize the regex matching by using cache. */
-int count_num_cache_opcode(regex_t* reg)
+static int count_num_cache_opcode(regex_t* reg)
 {
   int num = 0;
   UChar* pbegin;
@@ -413,7 +413,7 @@ int count_num_cache_opcode(regex_t* reg) https://github.com/ruby/ruby/blob/trunk/regexec.c#L413
   return num;
 }
 
-void init_cache_index_table(regex_t* reg, UChar **table)
+static void init_cache_index_table(regex_t* reg, UChar **table)
 {
   UChar** tstart = table;
   UChar* pbegin;
@@ -590,7 +590,7 @@ void init_cache_index_table(regex_t* reg, UChar **table) https://github.com/ruby/ruby/blob/trunk/regexec.c#L590
   }
 }
 
-int find_cache_index_table(UChar** table, int num_cache_table, UChar* p)
+static int find_cache_index_table(UChar** table, int num_cache_table, UChar* p)
 {
   int l = 0, r = num_cache_table - 1, m;
 
-- 
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