From 62c17a2f21b47243071075cbef37fe72b6ecd0ff Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 12 Jan 2019 05:02:58 +0000
Subject: No TypeError at nil if exception: false

[ruby-core:91021] [Bug #15525]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66796 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 rational.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'rational.c')

diff --git a/rational.c b/rational.c
index 1642bc3a7d..207c4c46b3 100644
--- a/rational.c
+++ b/rational.c
@@ -2559,8 +2559,10 @@ nurat_convert(VALUE klass, VALUE numv, VALUE denv, int raise)
     VALUE a1 = numv, a2 = denv;
     int state;
 
-    if (NIL_P(a1) || NIL_P(a2))
+    if (NIL_P(a1) || NIL_P(a2)) {
+        if (!raise) return Qnil;
         rb_raise(rb_eTypeError, "can't convert nil into Rational");
+    }
 
     if (RB_TYPE_P(a1, T_COMPLEX)) {
         if (k_exact_zero_p(RCOMPLEX(a1)->imag))
-- 
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