From 4c50d23245689761e04db450ced9fe9fa76997d0 Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Tue, 11 Jun 2024 14:01:29 -0400
Subject: Raise SyntaxError on invalid encoding symbol (#10967)

[Bug #20280]

Backport of #10014.
---
 test/ruby/test_syntax.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index a7a25ef3c0..cc332a9412 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -1354,6 +1354,10 @@ eom
     assert_valid_syntax 'p :foo, {proc do end => proc do end, b: proc do end}', bug13073
   end
 
+  def test_invalid_encoding_symbol
+    assert_syntax_error('{"\xC3": 1}', "invalid symbol")
+  end
+
   def test_do_after_local_variable
     obj = Object.new
     def obj.m; yield; end
-- 
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