Reorganize cgraph_node::clone_of_p

2019-04-15  Martin Jambor  <mjambor@suse.cz>

	PR ipa/89693
	* cgraph.c (clone_of_p): Loop over clone chain for each step in
	the thunk chain.

	testsuite/
	* g++.dg/ipa/pr89693.C: New test.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-8-branch@270371 138bc75d-0d04-0410-961f-82ee72b054a4
4 files changed