re PR lto/59626 (/usr/include/bits/unistd.h:173:1: error: inlining failed in call to always_inline 'readlinkat': recursive inlining)


	PR ipa/59626
	* lto-cgraph.c (input_overwrite_node): Check that partitioning
	flags are set only during streaming.
	* ipa.c (process_references, walk_polymorphic_call_targets,
	symtab_remove_unreachable_nodes): Drop bodies of always inline
	after early inlining.
	(symtab_remove_unreachable_nodes): Remove always_inline attribute.
	* gcc.dg/lto/pr59626_0.c: New testcase.
	* gcc.dg/lto/pr59626_1.c: New testcase.

From-SVN: r209123