PR c++/84704
	* gimple-expr.c (create_tmp_var_raw): Set DECL_NAMELESS flag
	on tmp_var.
	* tree-pretty-print.c (dump_decl_name): For TDF_COMPARE_DEBUG,
	don't print names of DECL_NAMELESS DECL_IGNORED_P decls.

From-SVN: r258317