compile.c: toplevel return

* compile.c (iseq_compile_each): stop execution of the current source
  by toplevel return.  [ruby-core:36785] [Feature #4840]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57132 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 23 insertions, 0 deletions

diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index f3db9bcd48..3e6212e27c 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -926,6 +926,29 @@ eom
     assert_equal(:ok, result)
   end
 
+  def test_return_toplevel
+    feature4840 = '[ruby-core:36785] [Feature #4840]'
+    code = "#{<<~"begin;"}\n#{<<~"end;"}"
+    begin;
+      return; raise
+      begin return; rescue SystemExit; exit false; end
+      begin return; ensure exit false; end
+      begin ensure return; end
+      begin raise; ensure; return; end
+      begin raise; rescue; return; end
+      return false; raise
+      return 1; raise
+    end;
+    all_assertions(feature4840) do |a|
+      code.each_line do |s|
+        s.chomp!
+        a.for(s) do
+          assert_ruby_status([], s, proc {RubyVM::InstructionSequence.compile(s).disasm})
+        end
+      end
+    end
+  end
+
   private
 
   def not_label(x) @result = x; @not_label ||= nil end