From e129be7592cd0551f45f6c6aa2faf88bbe697f66 Mon Sep 17 00:00:00 2001
From: Kenta Murata <mrkn@mrkn.jp>
Date: Thu, 14 Jan 2021 09:23:03 +0900
Subject: [ruby/bigdecimal] Suppress warning at NO_SANITIZE on gcc

https://github.com/ruby/bigdecimal/commit/f6765b8071
---
 ext/bigdecimal/missing.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/ext/bigdecimal/missing.c b/ext/bigdecimal/missing.c
index b0bc6eea4e..703232d92f 100644
--- a/ext/bigdecimal/missing.c
+++ b/ext/bigdecimal/missing.c
@@ -8,6 +8,16 @@
 # define ATOMIC_PTR_CAS(var, old, new) RUBY_ATOMIC_PTR_CAS(var, old, new)
 #endif
 
+#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+/* GCC warns about unknown sanitizer, which is annoying. */
+# undef NO_SANITIZE
+# define NO_SANITIZE(x, y) \
+    _Pragma("GCC diagnostic push") \
+    _Pragma("GCC diagnostic ignored \"-Wattributes\"") \
+    __attribute__((__no_sanitize__(x))) y; \
+    _Pragma("GCC diagnostic pop")
+#endif
+
 #undef strtod
 #define strtod BigDecimal_strtod
 #undef dtoa
-- 
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