[Bug modula2/122407] similar error messages are emitted for an unknown symbol

[gaius at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122407

--- Comment #3 from Gaius Mulley <gaius at gcc dot gnu.org> ---
$ gm2 badtype.mod 
badtype.mod:8:14: error: In program module ‘badtype’: SYSTEM procedure function
TSIZE expects a variable or type as its first parameter, seen unknown, did you
mean foo?
    8 |    IF TSIZE (Foo) = 1
      |              ^~~