2013-01-21 Martin Jambor <mjambor@suse.cz>

2013-01-21  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimizations/55264
	* cgraph.c (cgraph_create_virtual_clone): Mark clones as non-virtual.
	* cgraph.h (cgraph_only_called_directly_p): Return false for virtual
	functions.
	* ipa-inline.c (cgraph_clone_inlined_nodes): Do reuse nodes of any
	virtual function.
	* ipa.c (cgraph_remove_unreachable_nodes): Never return true for
	virtual methods before inlining is over.

testsuite/
	* g++.dg/ipa/pr55264.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@195340 138bc75d-0d04-0410-961f-82ee72b054a4