* ldlang.c (lang_output_section_statement_lookup): Add function
	comment.  Make "name" non-const.  Ensure duplicate entries use
	the same string, allowing simple comparison in hash bucket loop.
	Tweak constraint check.
	(next_matching_output_section_statement): New function.
	* ldlang.h (lang_output_section_statement_lookup): Update.
	(next_matching_output_section_statement): Declare.
	* emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Don't
	combine orphan sections when input sections flags differ in
	alloc or load.
	* emultempl/pe.em: Formatting throughout.
	(gld${EMULATION_NAME}_place_orphan): As for elf32.em.
	* emultempl/pep.em: Formatting throughout.
	(gld${EMULATION_NAME}_place_orphan): As for elf32.em.
ld/testsuite/
	* ld-elf/orphan3.d, * ld-elf/orphan3a.s, * ld-elf/orphan3b.s,
	* ld-elf/orphan3c.s, * ld-elf/orphan3d.s, * ld-elf/orphan3e.s,
	* ld-elf/orphan3f.s: New test.
	* ld-pe/orphan.d, * ld-pe/orphana.s, * ld-pe/orphanb.s,
	* ld-pe/orphand.s, * ld-pe/orphane.s: New test.
	* ld-pe/direct.exp: Use is_pecoff_format.
	* ld-pe/longsecn.exp: Delete.
	* ld-pe/pe.exp: Run new test and longsecn tests.