* ipa-icf-gimple.c (func_checker::compare_bb): Fix comment typo.
	(func_checker::compare_gimple_call): Compare gimple_call_fn,
	gimple_call_chain, gimple_call_fntype and call flags.
testsuite/
	* gcc.dg/ubsan/ipa-icf-1.c: New test.
	* gcc.dg/ipa/ipa-icf-31.c: New test.

Co-Authored-By: Martin Liska <mliska@suse.cz>

From-SVN: r217323