From 89ca842dcce7f05942e2d7be3edc404c9556cafd Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 2 Oct 2020 10:57:07 +0900
Subject: Ensure that the comparison succeeded [Bug #17205]

---
 numeric.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'numeric.c')

diff --git a/numeric.c b/numeric.c
index 6d4eb86b1a..a767c12bf8 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1518,7 +1518,9 @@ flo_cmp(VALUE x, VALUE y)
 MJIT_FUNC_EXPORTED int
 rb_float_cmp(VALUE x, VALUE y)
 {
-    return NUM2INT(flo_cmp(x, y));
+    VALUE c = flo_cmp(x, y);
+    if (NIL_P(c)) rb_cmperr(x, y);
+    return NUM2INT(c);
 }
 
 /*
-- 
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