[Bug fortran/95530] [11 regression] ICE in gfortran.dg/equiv_11.f90 after r11-594

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95530

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |anlauf at gcc dot gnu.org

--- Comment #6 from anlauf at gcc dot gnu.org ---
In addition to the patch in comment#5, we can "harden" the strcpy:

diff --git a/gcc/fortran/trans-common.c b/gcc/fortran/trans-common.c
index 3775a8bea74..1acc336eacf 100644
--- a/gcc/fortran/trans-common.c
+++ b/gcc/fortran/trans-common.c
@@ -1314,7 +1314,11 @@ finish_equivalences (gfc_namespace *ns)
              c->where = ns->proc_name->declared_at;
            else if (ns->is_block_data)
              c->where = ns->sym_root->n.sym->declared_at;
-           strcpy (c->name, z->module);
+
+           size_t len = strlen (z->module);
+           gcc_assert (len < sizeof (c->name));
+           memcpy (c->name, z->module, len);
+           c->name[len] = '\0';
          }
        else
          c = NULL;