[Bug fortran/122046] [14/15/16 Regression] ICE in is_illegal_recursion when a TBP is used to specify the bounds of a dummy argument

[trnka at scm dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122046

--- Comment #7 from Tomáš Trnka <trnka at scm dot com> ---
(In reply to Christopher Albert from comment #6)
> Created attachment 63892 [details]
> Proposed testcase: ICE in is_illegal_recursion with TBP bounds
> 
> The reproducer in comment 0 compiles cleanly on current trunk (GCC 16),
> fixed by r16-6764-g33862166186. Attaching a testcase to prevent future
> regressions. Can this be closed as FIXED?

LGTM, except that the name in the testcase isn't quite right ;-)