gcc/
	* jump.c (delete_related_insns): Keep (use (insn))s.
	* reorg.c (redundant_insn): Check for barriers too.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206749 138bc75d-0d04-0410-961f-82ee72b054a4
	PR target/58944
	* config/i386/i386-c.c (ix86_pragma_target_parse): Temporarily
	clear cpp_get_options (parse_in)->warn_unused_macros for
	ix86_target_macros_internal with cpp_define.

	* gcc.target/i386/pr58944.c: Drop -march=native from dg-options.
	Remove dg-prune-output lines.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206750 138bc75d-0d04-0410-961f-82ee72b054a4