Turn tp_first_run counts back to 32bit values.

Turn tp_first_run counts back to 32bit values.

	* cgraph.c (cgraph_node::verify_node): Verify tp_first_run.
	* cgraph.h (cgrpah_node): Turn tp_first_run back to int.
	* cgraphunit.c (tp_first_run_node_cmp): Do not watch for overflows.
	(expand_all_functions): First expand ordered section and then
	unordered.
	* lto-partition.c (lto_balanced_map): Fix printing of tp_first_run.
	* profile.c (compute_value_histograms): Error on out of range
	tp_first_runs.

From-SVN: r279178