[PATCH] Fix PR ipa/64858

[Jeff Law]

On 01/30/15 05:29, Martin Liška wrote:
> Hi.
>
> Attached patch handles situation where remove_unreachable_nodes is
> called before
> IPA ICF registers removal hooks. As a result, a deleted callgraph node
> is touched.
>
> Tested on x86_64-linux-pc without a new regression seen.
> Ready for trunk?
>
> Thanks,
> Martin
>
> 0001-IPA-ICF-Fix-late-initialization-of-callgraph-hooks.patch
>
>
>  From 3be6518536de93b9e5397a4f65cb7e07422efbbb Mon Sep 17 00:00:00 2001
> From: mliska<mliska@suse.cz>
> Date: Fri, 30 Jan 2015 12:25:22 +0100
> Subject: [PATCH] IPA ICF: Fix late initialization of callgraph hooks.
>
> gcc/testsuite/ChangeLog:
>
> 2015-01-30  Martin Liska<mliska@suse.cz>
>
> 	* g++.dg/ipa/pr64858.C: New test.
>
> gcc/ChangeLog:
>
> 2015-01-30  Martin Liska<mliska@suse.cz>
>
> 	* ipa-icf.c (sem_item_optimizer::register_hooks): Register hooks
> 	just if not yet registered.
> 	(ipa_icf_generate_summary): Register callgraph hooks.
OK.
jeff