From fc1bf166964bdd5ea6c5fdac58a6f1e7e5b17afe Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 3 Sep 2017 00:39:23 +0000
Subject: [PATCH] string.c: suppress a warning

* string.c (rb_str_enumerate_grapheme_clusters): suppress a
  maybe-uninitialized warning by old gcc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59730 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 string.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/string.c b/string.c
index 021e0c2f42..45a4d0e00b 100644
--- a/string.c
+++ b/string.c
@@ -8090,7 +8090,7 @@ rb_str_enumerate_grapheme_clusters(VALUE str, int wantarray)
     rb_encoding *enc = rb_enc_from_index(encidx);
     int unicode_p = rb_enc_unicode_p(enc);
     const char *ptr, *end;
-    VALUE ary;
+    VALUE MAYBE_UNUSED(ary);
 
     if (!unicode_p) {
 	return rb_str_enumerate_codepoints(str, wantarray);