[Bug fortran/99549] New: Segfault when scalar argument of elemental function is both derived type with allocatable component and a function result

[here.is.a.gcc.bug at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99549

            Bug ID: 99549
           Summary: Segfault when scalar argument of elemental function is
                    both derived type with allocatable component and a
                    function result
           Product: gcc
           Version: 10.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: here.is.a.gcc.bug at gmail dot com
  Target Milestone: ---

Created attachment 50363
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50363&action=edit
A self-contained fortran program which causes the bug.

An elemental function is called where one argument is an array and another
argument is a scalar.

If the scalar argument is both:
  - A derived type with an allocatable component
  - The result of a function call (an rvalue in c++ speak)

Then a segfault happens.