tcg_rn_imports = fmap (const rn_imports) (tcg_rn_imports gbl),
tcg_inst_env = extendInstEnvList (tcg_inst_env gbl) home_insts,
tcg_fam_inst_env = extendFamInstEnvList (tcg_fam_inst_env gbl)
tcg_rn_imports = fmap (const rn_imports) (tcg_rn_imports gbl),
tcg_inst_env = extendInstEnvList (tcg_inst_env gbl) home_insts,
tcg_fam_inst_env = extendFamInstEnvList (tcg_fam_inst_env gbl)