Fix up lexpos for symbols from empty productions -- SIMICS-23466

Author: lwaern-intel

RELEASENOTES.md

@@ -261,3 +261,11 @@
   caused more harm than good; error messages surrounding the special case have been improved instead.
 - `release 7 7146`
 - `release 6 6457`
+- `note 6` Addressed an issue stemming from an upstream bug that would commonly
+  cause the reported column number in warning and error messages to be
+  incorrect (fixes SIMICS-23466). This issue also affected the reported line
+  number in rare situations.
+
+  This issue had always been present in DML, and most notably affected error
+  messages surrounding methods, as well as object declarations since
+  Simics 7.78.