[Bug tree-optimization/105461] [12/13 Regression] ICE: Segmentation fault (in verify_use) since r12-4608-gb4702276615ff8d4

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105461

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
diff --git a/gcc/toplev.cc b/gcc/toplev.cc
index ed546b2cad8..60497845dfe 100644
--- a/gcc/toplev.cc
+++ b/gcc/toplev.cc
@@ -1478,6 +1478,7 @@ process_options (bool no_backend)
                        "by this debug format");
        }
       flag_var_tracking = 0;
+      OPTION_SET_P (flag_var_tracking) = 0;
       flag_var_tracking_uninit = 0;
       flag_var_tracking_assignments = 0;
     }

fixes the issue.  Note finish_options uses global_options_set in a few places
but fixing that doesn't fix the issue here.  I'm going to fix that separately.