Re: [patch, Fortran] Fix PR 71902

[Mikael Morin <morin-mikael at orange dot fr>]

Hello,

Le 14/08/2016 à 15:05, Thomas Koenig a écrit :
> Index: frontend-passes.c
> ===================================================================
> --- frontend-passes.c	(Revision 239218)
> +++ frontend-passes.c	(Arbeitskopie)
> @@ -177,6 +178,13 @@ realloc_string_callback (gfc_code **c, int *walk_s
>    if (expr2->expr_type != EXPR_VARIABLE)
>      return 0;
>
> +  /* Only substring expressions can be affected; substrings are always the
> +   last reference.  */
> +
> +  for (ref = expr2->ref; ref; ref = ref->next)
> +    if (ref->type != REF_SUBSTRING)
> +      return 0;
> +
>    if (!gfc_check_dependency (expr1, expr2, true))
>      return 0;
This doesn't look correct, what about substrings following component or 
array references?

Mikael

PS: What about the original fix, wasn't it a dependency 
problem/inaccuracy after all?