https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109218
Bug ID: 109218
Summary: "MODULE SUBROUTINE" wrongly accepted where MODULE
prefix is not permitted.
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Keywords: accepts-invalid
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: burnus at gcc dot gnu.org
CC: juergen.reuter at desy dot de
Target Milestone: ---
Reported at bug 109209 comment 9:
> (In reply to Jürgen Reuter from bug 109209 comment #4)
module resonances
...
contains
...
> > module subroutine t3_set_expand (res_set)
...
>
> Actually, the 'module subroutine' here needs to be just 'subroutine'.
> gfortran accepts this, nagfor doesn't.
* * *
This probably violates one of the 'prefix' constraints of Fortran 2018,
C1547 to C1551. I think it violates:
C1548 (R1526) If MODULE appears in the prefix of a module subprogram, it shall
have been declared to be a separate module procedure in the containing program
unit or an ancestor of that program unit.
* * *
Testcase: bug 109209 comment 4
