PR c/84909
	* c-warn.c (conversion_warning): Replace "to to" with "to" in
	diagnostics.

	* hsa-gen.c (mem_type_for_type): Fix comment typo.
	* tree-vect-loop-manip.c (vect_create_cond_for_niters_checks):
	Likewise.
	* gimple-ssa-warn-restrict.c (builtin_memref::set_base_and_offset):
	Likewise.

From-SVN: r258609