xo-expression: bugfix: ensure in-layer uniqueness of vars

This commit is contained in:
Roland Conybeare 2024-07-03 14:43:34 -04:00
commit f18c33b249
2 changed files with 9 additions and 2 deletions

View file

@ -103,9 +103,11 @@ namespace xo {
auto ix = var_map.find(var->name());
if (ix == var_map.end()) {
/* add to var_map */
/* add to var_map, copy to ensure Variable
* is unique to layer
*/
var_map[var->name()] = var.get();
var_map[var->name()] = Variable::copy(var);
return var.get();
} else {