===================================================================
*************** trans_associate_var (gfc_symbol *sym, gf
}
if (sym->ts.type == BT_CHARACTER
- && sym->ts.deferred
&& !sym->attr.select_type_temporary
&& VAR_P (sym->ts.u.cl->backend_decl)
&& se.string_length != sym->ts.u.cl->backend_decl)
===================================================================
***************
+ ! { dg-do run }
+ !
+ ! Test the fix for PR86372 in which the associate name string length was
+ ! not being set, thereby causing a segfault.
+ !
+ ! Contributed by Janus Weil <janus@gcc.gnu.org>
+ !
+ program xxx
+
+ character(len=50) :: s
+
+ s = repeat ('*', len(s))
+ call sub(s)
+ if (s .ne. '**'//'123'//repeat ('*', len(s) - 5)) stop 1
+
+ contains
+
+ subroutine sub(str)
+ character(len=*), intent(inout) :: str
+ associate (substr => str(3:5))
+ substr = '123'
+ end associate
+ end subroutine
+
+ end
I have fixed this as 'obvious' on 8-branch(r264925) and trunk(r264915). Paul 2018-10-08 Paul Thomas <pault@gcc.gnu.org> Backport from trunk PR fortran/86372 * trans-stmt.c (trans_associate_var): Character associate names with variable string length do not have to be deferred length for the string length to be set, if variable. 2018-10-08 Paul Thomas <pault@gcc.gnu.org> Backport from trunk PR fortran/86372 * gfortran.dg/associate_41.f90: New test.