Internal error 2025090301 IE2025090301 Recompilation bug Task Queue

FPC [main]

---

• Based on: #41112
• Related: #41386

---

parser7.pas:

unit parser7;

interface

uses fmodule7;

implementation
end.

fmodule7.pas:

unit fmodule7;

interface

uses
  verbose7
  ,symsym7
  ;

implementation

uses parser7;

end.

verbose7.pas:

unit verbose7;

interface

implementation

uses fmodule7;

end.

symsym7.pas:

unit symsym7;

interface

uses symdef7;

implementation
end.

symdef7.pas:

unit symdef7;

interface

implementation

uses fmodule7;

end.

📚 Archive: recompile_bug.zip

Compile #1 (OK✅): fpc.exe -n -FuC:\fpclaztrunk\fpc/units/$fpctarget/rtl parser7.pas
Compile #2 (FAIL🐞): fpc.exe -n -FuC:\fpclaztrunk\fpc/units/$fpctarget/rtl parser7.pas

Output:

ttask_handler.write_queue:
queue: verbose7 ms_compiling_waitimpl cancontinue=FALSE firstwaiting=fmodule7 ms_compiling_waitintf
queue: fmodule7 ms_compiling_waitintf cancontinue=FALSE firstwaiting=symsym7 ms_compile
queue: parser7 ms_compiling_waitintf cancontinue=FALSE firstwaiting=fmodule7 ms_compiling_waitintf
verbose7.pas(7,15) Fatal: Internal error 2025090301

flowchart TD

parser7-->|interface|fmodule7
fmodule7-->|interface|verbose7
fmodule7-->|interface|symsym7
fmodule7-->|implementation|parser7
verbose7-->|implementation|fmodule7
symsym7-->|interface|symdef7
symdef7-->|implementation|fmodule7