From 48b43af37fc3b57ff33f29cbbc8e10a8aecc0eee Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sat, 9 Jul 2022 15:21:45 +0900
Subject: [PATCH] numeric.c (mrb_div_int_value): should support integer
 overflow.

Especially in `MRB_INT_MIN/-1` which is bigger than MRB_INT_MAX.
---
 src/numeric.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/src/numeric.c b/src/numeric.c
index aac802f11..96b0a6938 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -130,7 +130,11 @@ mrb_div_int_value(mrb_state *mrb, mrb_int x, mrb_int y)
     mrb_int_zerodiv(mrb);
   }
   else if(x == MRB_INT_MIN && y == -1) {
+#ifdef MRB_USE_BIGINT
+    return mrb_bint_mul_ii(mrb, x, y);
+#else
     mrb_int_overflow(mrb, "division");
+#endif
   }
   return mrb_int_value(mrb, mrb_div_int(x, y));
 }
@@ -158,13 +162,7 @@ int_div(mrb_state *mrb, mrb_value x)
 
   if (a == 0) return mrb_fixnum_value(0);
   if (mrb_integer_p(y)) {
-    mrb_int b = mrb_integer(y);
-#ifdef MRB_USE_BIGINT
-    if(a == MRB_INT_MIN && b == -1) {
-      return mrb_bint_mul_ii(mrb, a, b);
-    }
-#endif
-    return mrb_div_int_value(mrb, a, b);
+    return mrb_div_int_value(mrb, a, mrb_integer(y));
   }
   switch (mrb_type(y)) {
 #ifdef MRB_USE_BIGINT