ripper: Fix opassign when assignment to backref variables

2 files changed, 2 insertions, 2 deletions

diff --git a/parse.y b/parse.y
index 838f273760..5fe9babefa 100644
--- a/parse.y
+++ b/parse.y
@@ -3382,7 +3382,7 @@ command_asgn	: lhs '=' lex_ctxt command_rhs
                         rb_backref_error(p, $1);
                     /*% %*/
                         $$ = NEW_ERROR(&@$);
-                    /*% ripper[error]: backref_error(p, $1, assign!(var_field(p, get_value($:1)), $:4)) %*/
+                    /*% ripper[error]: backref_error(p, $1, opassign!(var_field(p, get_value($:1)), $:2, $:4)) %*/
                     }
                 ;
 
diff --git a/test/ripper/test_parser_events.rb b/test/ripper/test_parser_events.rb
index 8f393e79ee..dc94da01ee 100644
--- a/test/ripper/test_parser_events.rb
+++ b/test/ripper/test_parser_events.rb
@@ -289,7 +289,7 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
     result =
       parse('$& += cmd 1, 2', :on_assign_error) {thru_assign_error = true}
     assert_equal true, thru_assign_error
-    assert_equal '[assign_error(assign(var_field($&),command(cmd,[1,2])))]', result
+    assert_equal '[assign_error(opassign(var_field($&),+=,command(cmd,[1,2])))]', result
   end
 
   def test_assign_error_const_qualified