https://git.ruby-lang.org/ruby.git/commit/?id=836b7047a6

From 836b7047a60bc214c90438a763ef759f1963caff Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sun, 8 Aug 2021 17:16:03 +0900
Subject: Suppress unused-variable warnings when DEBUG_INTEGER_PACK

---
 bignum.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bignum.c b/bignum.c
index d3e6cf2..da5df41 100644
--- a/bignum.c
+++ b/bignum.c
@@ -1053,6 +1053,7 @@ integer_unpack_num_bdigits(size_t numwords, size_t wordsize, size_t nails, int * https://github.com/ruby/ruby/blob/trunk/bignum.c#L1053
             size_t num_bdigits1 = integer_unpack_num_bdigits_generic(numwords, wordsize, nails, &nlp_bits1);
             assert(num_bdigits == num_bdigits1);
             assert(*nlp_bits_ret == nlp_bits1);
+            (void)num_bdigits1;
         }
 #endif
     }
@@ -3401,6 +3402,7 @@ rb_absint_numwords(VALUE val, size_t word_numbits, size_t *nlz_bits_ret) https://github.com/ruby/ruby/blob/trunk/bignum.c#L3402
             numwords0 = absint_numwords_generic(numbytes, nlz_bits_in_msbyte, word_numbits, &nlz_bits0);
             assert(numwords0 == numwords);
             assert(nlz_bits0 == nlz_bits);
+            (void)numwords0;
         }
 #endif
     }
-- 
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