* cgraph.c (cgraph_varpool_finalize_decl): Sanity check duplicated

	* cgraph.c (cgraph_varpool_finalize_decl): Sanity check duplicated
	finalization.
	* cgraphunit.c (decide_is_fnction_needed): Avoid special case of nested
	functions, check for COMDAT.
	(cgraph_assemble_pending_functions): Break out from...
	(cgraph_finalize_function): ... here; allow redefinig of extern inline
	functions.
	(record_call_1): Record function references only in non-unit-at-a-time
	mode.
	(cgraph_analyze_function): Reset current_function_decl.
	(cgraph_finalize_compilation_unit):  Assemble pending functions.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@71221 138bc75d-0d04-0410-961f-82ee72b054a4