ipa-cp.c (ipcp_verify_propagated_values): Also dump symtab and mention gcc_unreachable before failing.

2014-04-03  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (ipcp_verify_propagated_values): Also dump symtab and
	mention gcc_unreachable before failing.
	* ipa.c (symtab_remove_unreachable_nodes): Also print order of
	removed symbols.

From-SVN: r209052