lib/ruby_parser.yy in ruby_parser-3.8.0 vs lib/ruby_parser.yy in ruby_parser-3.8.1

@@ -471,18 +471,30 @@
                     }
                 | primary_value tDOT tIDENTIFIER
                     {
                       result = s(:attrasgn, val[0], :"#{val[2]}=")
                     }
+#if defined(RUBY23)
+                | primary_value tLONELY tIDENTIFIER
+                    {
+                      result = s(:attrasgnx, val[0], :"#{val[2]}=")
+                    }
+#endif
                 | primary_value tCOLON2 tIDENTIFIER
                     {
                       result = s(:attrasgn, val[0], :"#{val[2]}=")
                     }
                 | primary_value tDOT tCONSTANT
                     {
                       result = s(:attrasgn, val[0], :"#{val[2]}=")
                     }
+#if defined(RUBY23)
+                | primary_value tLONELY tCONSTANT
+                    {
+                      result = s(:attrasgnx, val[0], :"#{val[2]}=")
+                    }
+#endif
                 | primary_value tCOLON2 tCONSTANT
                     {
                       if (self.in_def || self.in_single > 0) then
                         debug20 7
                         yyerror "dynamic constant assignment"
@@ -524,22 +536,24 @@
 #if defined(RUBY23)
                 | primary_value tLONELY tIDENTIFIER
                     {
                       result = s(:safe_attrasgn, val[0], :"#{val[2]}=")
                     }
-                | primary_value tLONELY tCONSTANT
-                    {
-                      result = s(:safe_attrasgn, val[0], :"#{val[2]}=")
-                    }
 #endif
                 | primary_value tCOLON2 tIDENTIFIER
                     {
                       result = s(:attrasgn, val[0], :"#{val[2]}=")
                     }
                 | primary_value tDOT tCONSTANT # REFACTOR?
                     {
                       result = s(:attrasgn, val[0], :"#{val[2]}=")
                     }
+#if defined(RUBY23)
+                | primary_value tLONELY tCONSTANT
+                    {
+                      result = s(:safe_attrasgn, val[0], :"#{val[2]}=")
+                    }
+#endif
                 | primary_value tCOLON2 tCONSTANT
                     {
                       if (self.in_def || self.in_single > 0) then
                         debug20 10
                         yyerror "dynamic constant assignment"