https://git.ruby-lang.org/ruby.git/commit/?id=a6bbba1135

From a6bbba1135ffc6f97bbffbfbc98f80dc9d4a8a50 Mon Sep 17 00:00:00 2001
From: Kenta Murata <mrkn@m...>
Date: Sat, 2 Jan 2021 12:06:14 +0900
Subject: Avoid to use __builtin_clzl in SPARC Solaris


diff --git a/ext/bigdecimal/bits.h b/ext/bigdecimal/bits.h
index ea9cb10..f39e83b 100644
--- a/ext/bigdecimal/bits.h
+++ b/ext/bigdecimal/bits.h
@@ -87,7 +87,7 @@ nlz_int64(uint64_t x) https://github.com/ruby/ruby/blob/trunk/ext/bigdecimal/bits.h#L87
     unsigned long r;
     return _BitScanReverse64(&r, x) ? (63u - (unsigned int)r) : 64;
 
-#elif __has_builtin(__builtin_clzl)
+#elif __has_builtin(__builtin_clzl) && !(defined(__sun) && defined(__sparc))
     if (x == 0) {
         return 64;
     }
-- 
cgit v0.10.2


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