[Bug fortran/124482] [16 Regression] SEGV in resolve_cyclic_derived_type

[jvdelisle at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124482

--- Comment #7 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
My valgrind tests before and after the new patch show fixing 22 errors, invalid
reads.

$ valgrind /home/jerry/dev/usr/libexec/gcc/x86_64-pc-linux-gnu/16.0.1/f951
pr106946.f90

Before:

==11642== For lists of detected and suppressed errors, rerun with: -s
==11642== ERROR SUMMARY: 22 errors from 22 contexts (suppressed: 0 from 0)

After:

==24999== For lists of detected and suppressed errors, rerun with: -s
==24999== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)