* tree-inline.c (tree_inlinable_function_p): Do not test DECL_REPLACEABLE_P.
	* ipa-inline.c (cgraph_default_inline_p, update_caller_keys, update_callee_keys,
	cgraph_decide_inlining): Test function availability.
	* cif-code.def (OVERWRITABLE): New code.

From-SVN: r163972