* rtl.h (locator_eq): New decl.

	* rtl.h (locator_eq): New decl.
	* cfglayout.c (locator_scope): New function.
	(insn_scope): Use it.
	(locator_eq): New function.
	(fixup_reorder_chain): Search for last insn in src bb
	that has locator set or first insn in dest bb.  Use
	locator_eq instead of == to compare locators.
	* cfgrtl.c (cfg_layout_merge_blocks): Likewise.
	* cfgcleanup.c (try_forward_edges): Use locator_eq instead of
	== to compare locators.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@141009 138bc75d-0d04-0410-961f-82ee72b054a4