> Hi,
> 
> in PR 61340 it has been reported that clang warns about unhandeld enum
> values in a switch (gcc does not, I guess I'll open a new PR for
> that).
> 
> Fixed thusly by adding a default label with a gcc_unreachable() in
> both.  The potentially unhandled enum value in both cases is
> IPA_REF_ALIAS which we cannot encounter because
> 
> 1) in ipa-pure-const.c we are not processing aliases and
> 
> 2) in ipa-reference.c we analyze references of a function to a
>    variable and that cannot be an alias.
> 
> OK for trunk?

OK,
thanks!
Honza
> 
> Thanks,
> 
> Martin
> 
> 
> 2014-06-03  Martin Jambor  <mjam...@suse.cz>
> 
>       PR ipa/61340
>       * ipa-pure-const.c (propagate_pure_const): Add unreachable default
>       handler for switch on an ipa_ref_use enum.
>       * ipa-reference.c (analyze_function): Likewise.
> 
> diff --git a/gcc/ipa-pure-const.c b/gcc/ipa-pure-const.c
> index 0ebfe5d..b9a3d3e 100644
> --- a/gcc/ipa-pure-const.c
> +++ b/gcc/ipa-pure-const.c
> @@ -1286,6 +1286,8 @@ propagate_pure_const (void)
>                 break;
>               case IPA_REF_ADDR:
>                 break;
> +             default:
> +               gcc_unreachable ();
>               }
>             better_state (&ref_state, &ref_looping,
>                           w_l->state_previously_known,
> diff --git a/gcc/ipa-reference.c b/gcc/ipa-reference.c
> index ebff60c..bc58cfa 100644
> --- a/gcc/ipa-reference.c
> +++ b/gcc/ipa-reference.c
> @@ -483,6 +483,8 @@ analyze_function (struct cgraph_node *fn)
>         break;
>       case IPA_REF_ADDR:
>         break;
> +     default:
> +       gcc_unreachable ();
>       }
>      }
>  
> 

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