https://git.ruby-lang.org/ruby.git/commit/?id=5decf66ab3

From 5decf66ab3395193160673ddd80395a5b3b86223 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Sun, 25 Aug 2019 07:39:57 +0900
Subject: Inspect dynamic symbol as well as static symbol


diff --git a/numeric.c b/numeric.c
index 724a7f3..5bf87bd 100644
--- a/numeric.c
+++ b/numeric.c
@@ -410,7 +410,7 @@ NORETURN(static void coerce_failed(VALUE x, VALUE y)); https://github.com/ruby/ruby/blob/trunk/numeric.c#L410
 static void
 coerce_failed(VALUE x, VALUE y)
 {
-    if (SPECIAL_CONST_P(y) || BUILTIN_TYPE(y) == T_FLOAT) {
+    if (SPECIAL_CONST_P(y) || SYMBOL_P(y) || RB_FLOAT_TYPE_P(y)) {
 	y = rb_inspect(y);
     }
     else {
diff --git a/test/ruby/test_numeric.rb b/test/ruby/test_numeric.rb
index 4e5404a..6073ec1 100644
--- a/test/ruby/test_numeric.rb
+++ b/test/ruby/test_numeric.rb
@@ -26,6 +26,10 @@ class TestNumeric < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_numeric.rb#L26
     assert_raise_with_message(TypeError, /:"\\u3042"/) {1&:"\u{3042}"}
     assert_raise_with_message(TypeError, /:"\\u3042"/) {1|:"\u{3042}"}
     assert_raise_with_message(TypeError, /:"\\u3042"/) {1^:"\u{3042}"}
+    assert_raise_with_message(TypeError, /:\u{3044}/) {1+"\u{3044}".to_sym}
+    assert_raise_with_message(TypeError, /:\u{3044}/) {1&"\u{3044}".to_sym}
+    assert_raise_with_message(TypeError, /:\u{3044}/) {1|"\u{3044}".to_sym}
+    assert_raise_with_message(TypeError, /:\u{3044}/) {1^"\u{3044}".to_sym}
 
     bug10711 = '[ruby-core:67405] [Bug #10711]'
     exp = "1.2 can't be coerced into Integer"
-- 
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