Changed shareable literal semantics [Feature #17397]

When `literal`, check if the literal about to be assigned to a
constant is ractor-shareable, otherwise raise `Ractor::Error` at
runtime instead of `SyntaxError`.

1 files changed, 7 insertions, 5 deletions

diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb
index ecacdebc70..0a1e3edc66 100644
--- a/test/ruby/test_parse.rb
+++ b/test/ruby/test_parse.rb
@@ -1213,11 +1213,13 @@ x = __ENCODING__
     assert_equal([1], a[0])
     assert_send([Ractor, :shareable?, a[0]])
 
-    assert_syntax_error("#{<<~"begin;"}\n#{<<~'end;'}", /unshareable expression/)
-    begin;
-      # shareable_constant_value: literal
-      C = ["Not " + "shareable"]
-    end;
+    assert_raise_with_message(Ractor::Error, /unshareable/) do
+      Class.new.class_eval("#{<<~"begin;"}\n#{<<~'end;'}")
+      begin;
+        # shareable_constant_value: literal
+        C = ["Not " + "shareable"]
+      end;
+    end
   end
 
 =begin