PR ipa/58555
	* ipa-inline-transform.c (clone_inlined_nodes): Add freq_scale parameter
	specifying the scaling.
	(inline_call): Update.
	(want_inline_recursively): Guard division by zero.
	(recursive_inlining): Update.
	* ipa-inline.h (clone_inlined_nodes): Update.
	* testsuite/g++.dg/torture/pr58555.C: New testcase.

From-SVN: r207934