[Bug fortran/77327] AddressSanitizer: heap-use-after-free gcc-trunk-239276/gcc/fortran/interface.c:403 in compare_components

[zeccav at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77327

--- Comment #5 from Vittorio Zecca <zeccav at gmail dot com> ---
The test case you propose, dec_structure_13.f90, does not trigger the asan
memory checker.

As I wrote before, the test case gfortran.dg/import4.f90 does trigger
the asan memory checker.

In your test case I do not understand the final statement "call
sub2(u2)" because
sub2 is not defined.