re PR rtl-optimization/32776 (ICE RTL check: expected code 'reg', have 'concatn' in rhs_regno, at rtl.h:972)

	PR rtl-optimization/32776
	* lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
	(resolve_use): Likewise.
	(decompose_multiword_subregs): Remove "changed" local variable.

From-SVN: r127282