[Bug libfortran/77393] [7 Regression] Revision r237735 changed the behavior of F0.0

[jvdelisle at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77393

--- Comment #12 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
Created attachment 39577
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39577&action=edit
Patch for testing, fixes comment #2?

This patch for testing.  I have tested on x86_64-unknown-freebsd12.0 which also
exhibited the issue with an invalid memory reference.