daily update
	* symtab.h (struct symbol_search): Add comment.
	* dwarf2read.c (dw2_build_type_unit_groups_reader): Delete.
	(dw2_build_type_unit_groups): Delete.  All uses updated.
	* powerpc.cc (Stub_table::find_plt_call_entry): Make types
	used in declaration and definition consistent.
	(Target_powerpc::symval_for_branch): Ditto.
Count size relocation as PC-relative relocation

bfd/

	* elf32-i386.c (elf_i386_check_relocs): Count size relocation as
	PC-relative relocation.
	* elf64-x86-64.c (elf_x86_64_check_relocs): Count size relocation
	as PC-relative relocation.

ld/testsuite/

	* ld-size/size32-3-i386.d: New file.
	* ld-size/size32-3-x32.d: Likewise.
	* ld-size/size32-3-x86-64.d: Likewise.
	* ld-size/size32-3.s: Likewise.
Add missing files
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