_column’ was declared here
  426 |       Scan_State       : Saved_Scan_State;
      |       ^
In function ‘scans__restore_scan_state’,
    inlined from ‘par__ch12__p_formal_object_declarations’ at ../../gcc/ada/par-ch12.adb:499:10:
../../gcc/ada/scans.adb:174:32: warning: ‘scan_state.save_checksum’ may be used uninitialized [-Wmaybe-uninitialized]
  174 |       Checksum                 := Saved_State.Save_Checksum;
      |                                ^
../../gcc/ada/par-ch12.adb: In function ‘par__ch12__p_formal_object_declarations’:
../../gcc/ada/par-ch12.adb:426:7: note: ‘scan_state.save_checksum’ was declared here
  426 |       Scan_State       : Saved_Scan_State;
      |       ^
In function ‘scans__restore_scan_state’,
    inlined from ‘par__ch12__p_formal_object_declarations’ at ../../gcc/ada/par-ch12.adb:499:10:
../../gcc/ada/scans.adb:175:32: warning: ‘scan_state.save_first_non_blank_location’ may be used uninitialized [-Wmaybe-uninitialized]
  175 |       First_Non_Blank_Location := Saved_State.Save_First_Non_Blank_Location;
      |                                ^
../../gcc/ada/par-ch12.adb: In function ‘par__ch12__p_formal_object_declarations’:
../../gcc/ada/par-ch12.adb:426:7: note: ‘scan_state.save_first_non_blank_location’ was declared here
  426 |       Scan_State       : Saved_Scan_State;
      |       ^
In function ‘scans__restore_scan_state’,
    inlined from ‘par__ch12__p_formal_object_declarations’ at ../../gcc/ada/par-ch12.adb:499:10:
../../gcc/ada/scans.adb:176:32: warning: ‘scan_state.save_token_node’ may be used uninitialized [-Wmaybe-uninitialized]
  176 |       Token_Node               := Saved_State.Save_Token_Node;
      |                                ^
../../gcc/ada/par-ch12.adb: In function ‘par__ch12__p_formal_object_declarations’:
../../gcc/ada/par-ch12.adb:426:7: note: ‘scan_state.save_token_node’ was declared here
  426 |       Scan_State       : Saved_Scan_State;
      |       ^
In function ‘scans__restore_scan_state’,
    inlined from ‘par__ch12__p_formal_object_declarations’ at ../../gcc/ada/par-ch12.adb:499:10:
../../gcc/ada/scans.adb:177:32: warning: ‘scan_state.save_token_name’ may be used uninitialized [-Wmaybe-uninitialized]
  177 |       Token_Name               := Saved_State.Save_Token_Name;
      |                                ^
../../gcc/ada/par-ch12.adb: In function ‘par__ch12__p_formal_object_declarations’:
../../gcc/ada/par-ch12.adb:426:7: note: ‘scan_state.save_token_name’ was declared here
  426 |       Scan_State       : Saved_Scan_State;
      |       ^
In function ‘scans__restore_scan_state’,
    inlined from ‘par__ch12__p_formal_object_declarations’ at ../../gcc/ada/par-ch12.adb:499:10:
../../gcc/ada/scans.adb:178:32: warning: ‘MEM <unsigned char> [(struct scans__saved_scan_state *)&scan_state + 36B]’ may be used uninitialized [-Wmaybe-uninitialized]
  178 |       Prev_Token               := Saved_State.Save_Prev_Token;
      |                                ^
../../gcc/ada/par-ch12.adb: In function ‘par__ch12__p_formal_object_declarations’:
../../gcc/ada/par-ch12.adb:426:7: note: ‘MEM <unsigned char> [(struct scans__saved_scan_state *)&scan_state + 36B]’ was declared here
  426 |       Scan_State       : Saved_Scan_State;
      |       ^
In function ‘scans__restore_scan_state’,
    inlined from ‘par__ch12__p_formal_object_declarations’ at ../../gcc/ada/par-ch12.adb:499:10:
../../gcc/ada/scans.adb:179:32: warning: ‘scan_state.save_prev_token_ptr’ may be used uninitialized [-Wmaybe-uninitialized]
  179 |       Prev_Token_Ptr           := Saved_State.Save_Prev_Token_Ptr;
      |                                ^
../../gcc/ada/par-ch12.adb: In function ‘par__ch12__p_formal_object_declarations’:
../../gcc/ada/par-ch12.adb:426:7: note: ‘scan_state.save_prev_token_ptr’ was declared here
  426 |       Scan_State       : Saved_Scan_State;
      |       ^