PR ipa/63470
	* ipa-inline-analysis.c (inline_edge_duplication_hook): Adjust
	cost when edge becomes direct.
	* ipa-prop.c (make_edge_direct): Do not adjust when speculation
	is resolved or when introducing new speculation.
	* testsuite/g++.dg/ipa/pr63470.C: New testcase.

From-SVN: r219451