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Re: [PATCH, i386, Pointer Bounds Checker 38/x] Avoid warning for missed IPA_REF_CHKP in switch

On Thu, Oct 02, 2014 at 05:29:15PM +0400, Ilya Enkovich wrote:
> Hi,
> Seems some new warnings appeared lately and now I see a bootstrap failure for mpx branch due to missing IPA_REF_CHKP case in switch statement in process_references function.  This function handles varpool_nodes which cannot have references of this kind.  This patch fixes a warning.

Yeah, -Wswitch now works even with enum bit-fields, and use in ipa_ref
is an enum bit-fields.

> 2014-10-01  Ilya Enkovich  <>
> 	* ipa.c (process_references): Support IPA_REF_CHKP.
Probably s/Support/Handle/.
> diff --git a/gcc/ipa.c b/gcc/ipa.c
> index 39ee815..78f251a 100644
> --- a/gcc/ipa.c
> +++ b/gcc/ipa.c
> @@ -637,6 +637,8 @@ process_references (varpool_node *vnode,
>  	process_references (dyn_cast<varpool_node *> (ref->referring), written,
>  			    address_taken, read, explicit_refs);
>  	break;
> +      case IPA_REF_CHKP:
> +	gcc_unreachable ();

Looks ok.


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