Manage to compile some programs

Finally, manage to compile some programs. Here we merge lto-partition
to the compiler, correctly updates used_from_other_partition, and
release function bodies of functions that will not be used anymore.
We still are running the compilation serially for testing, but we
are forking and applying the partition mask correctly.

There is a bug when symbols of distinct CU collide when linking
for now.

gcc/ChangeLog
2020-06-03  Giuliano Belinassi  <giuliano.belinassi@usp.br>

	* cgraph.c: (release_function_body): Reinsert dom_info_available_p
	check.
	* cgraphunit.c (ipa_passes): Check for split_outputs, correctly
	check for variable usage from other partitions, and handle the
	additional assembler file correctly.
	* gcc.c (get_file_by_lines): Returns file existence. Fix double
	free.
	(append_file_outputs): Add -fPIE when -c is provided, and quickly
	returns if additional asm file not found.
	(maybe_run_linker): Check if split outputs case by checking
	temp_object_files length equals zero.
	* ipa-visibility.c (localize_node): Reinsert assertion check.
	* lto-cgraph.c (maybe_release_function_dominators): New.
	(lto_apply_partition_mask): Release data not required anymore.
	* lto-partition.c (lto_promote_corss_file_statics): Reinsert
	assertion check.
	(lto_check_usage_from_other_partitions): New.
	* lto-partition.h (lto_check_usage_from_other_partitions): Declare.

gcc/lto/ChangeLog
2020-06-03  Giuliano Belinassi <giuliano.belinassi@usp.br>

	* lto-partition.c: Remove.
	* Make-lang.in: Remove lto-partition.o.

0 files changed, 0 insertions, 0 deletions