https://git.ruby-lang.org/ruby.git/commit/?id=b8e351a1b9

From b8e351a1b9a16ce27f53d15051a1d1f83911b8cb Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@r...>
Date: Thu, 1 Aug 2019 21:09:59 +0900
Subject: ext/-test-/bug-14834/bug-14384.c: fallback for MAYBE_UNUSED

__unused__ is unavailable on Sun C.
https://rubyci.org/logs/rubyci.s3.amazonaws.com/solaris11s-sunc/ruby-master/log/20190801T112505Z.fail.html.gz

diff --git a/ext/-test-/bug-14834/bug-14384.c b/ext/-test-/bug-14834/bug-14384.c
index 0d4103b..3a16a2d 100644
--- a/ext/-test-/bug-14834/bug-14384.c
+++ b/ext/-test-/bug-14834/bug-14384.c
@@ -1,6 +1,10 @@ https://github.com/ruby/ruby/blob/trunk/ext/-test-/bug-14834/bug-14384.c#L1
 #include <ruby/ruby.h>
 #include <ruby/debug.h>
 
+#ifndef MAYBE_UNUSED
+# define MAYBE_UNUSED(x) x
+#endif
+
 static NOINLINE(VALUE f(VALUE));
 static NOINLINE(void g(VALUE, void*));
 extern NOINLINE(void Init_bug_14384(void));
-- 
cgit v0.10.2


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