bfd/

bfd/
	* bfd-in.h (bfd_h8300_pad_address): Declare.
	* bfd-in2.h: Regenerate.
	* cpu-h8300.c (bfd_h8300_pad_address): New function.
	* coff-h8300.c (h8300_reloc16_estimate): Use it to canonicalize
	addresses before checking whether they can be relaxed.
	(h8300_reloc16_extra_cases): Likewise for the R_MOVL2 sanity check.
	Don't complain about overflows in general 8-bit relocations.
	* elf32-h8300.c (elf32_h8_relax_section): Use bfd_h8300_pad_address.
	Fix handling of R_H8_DIR24A8.

ld/testsuite/
	* ld-h8300/relax-3{.s,.d,-coff.d}: New test.
	* ld-h8300/h8300.exp: Run it.