elang/lir/emitters: Revise |isa::Rm| for debugging after |static_cast<isa::Rm>(int)|.
elang/lir/emitters: Revise |isa::Rm| for debugging after |static_cast<isa::Rm>(int)|.

eval1749/elang,eval1749/elang,eval1749/elang,eval1749/elang,eval1749/elang