[Bug fortran/71883] [5/6/7 Regression] ICE in identical_array_ref, at fortran/dependency.c:104
kargl at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Fri Jul 22 14:45:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71883
--- Comment #5 from kargl at gcc dot gnu.org ---
(In reply to Thomas Koenig from comment #4)
> The problem here is that we want to do some dependency
> checking on something that is invalid.
>
> Maybe the best way would be to skip the whole pass if a
> previous fatal error was diagnosed.
>
> Is there a way to check for this?
You can check the error count. If it is
greater than 0, you have an error. Here's
an example from my private tree
--- expr.c (revision 237945)
+++ expr.c (working copy)
@@ -970,8 +970,14 @@ gfc_is_constant_expr (gfc_expr *e)
default:
- gfc_internal_error ("gfc_is_constant_expr(): Unknown expression type");
- return 0;
+ {
+ int e, w;
+ gfc_get_errors (&w, &e);
+ if (e < 1)
+ gfc_internal_error ("gfc_is_constant_expr(): Unknown "
+ "expression type");
+ return 0;
+ }
}
}
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