gcc/[e-m]*: Fix typos in various files

Signed-off-by: Dhruv Chawla <dhruvc@nvidia.com>

gcc/ChangeLog:

	* emit-rtl.h (struct rtl_data): Fix typos.
	(struct address_reload_context): Likewise.
	* explow.cc (anti_adjust_stack_and_probe): Likewise.
	* explow.h (anti_adjust_stack_and_probe_stack_clash): Likewise.
	* expmed.cc (store_bit_field_using_insv): Likewise.
	(expand_mult): Likewise.
	(emit_store_flag_force): Likewise.
	(equivalent_cmp_code): Likewise.
	* expr.cc (class op_by_pieces_d): Likewise.
	(op_by_pieces_d::run): Likewise.
	(use_group_regs): Likewise.
	(get_def_for_expr): Likewise.
	(emit_move_insn): Likewise.
	(expand_expr_real): Likewise.
	(expand_expr_real_gassign): Likewise.
	* ext-dce.cc (ext_dce_process_uses): Likewise.
	(ext_dce_process_bb): Likewise.
	(ext_dce_rd_confluence_n): Likewise.
	* fibonacci_heap.h (fibonacci_heap::cut): Likewise.
	* fold-const.cc (combine_comparisons): Likewise.
	(operand_compare::operand_equal_p): Likewise.
	(fold_view_convert_vector_encoding): Likewise.
	(fold_truth_andor): Likewise.
	* fold-const.h: Likewise.
	* function.cc (temp_address_hasher::equal): Likewise.
	(gen_call_used_regs_seq): Likewise.
	* gcc-diagnostic-spec.cc (GTY): Likewise.
	(warning_suppressed_at): Likewise.
	* gcc.cc (driver::maybe_run_linker): Likewise.
	* gcov.cc (print_usage): Likewise.
	(strip_extention): Likewise.
	* gdbhooks.py: Likewise.
	* gimplify.cc (gimplify_decl_expr): Likewise.
	(gimplify_modify_expr): Likewise.
	(oacc_default_clause): Likewise.
	(omp_notice_variable): Likewise.
	* graph.cc (draw_cfg_nodes): Likewise.
	* graphite-dependences.cc (scop_get_reads_and_writes): Likewise.
	* graphite-isl-ast-to-gimple.cc (graphite_copy_stmts_from_block): Likewise.
	* haifa-sched.cc (model_set_excess_costs): Likewise.
	(analyze_set_insn_for_autopref): Likewise.
	(autopref_multipass_dfa_lookahead_guard): Likewise.
	* hash-map-traits.h (HASH_MAP_TRAITS_H): Likewise.
	* hosthooks.h (struct host_hooks): Likewise.
	* ifcvt.cc (noce_try_sign_bit_splat): Likewise.
	* input.cc (line_table_test::line_table_test): Likewise.
	* internal-fn.def (PHI): Likewise.
	* internal-fn.h (enum ifn_goacc_loop_kind): Likewise.
	* ira-build.cc (create_insn_allocnos): Likewise.
	* ira-color.cc (ira_mark_new_stack_slot): Likewise.
	* ira-int.h: Likewise.
	* ira.cc (struct sloc): Likewise.
	* json-parsing.cc (parser::require_one_of): Likewise.
	* langhooks.h (struct lang_hooks_for_decls): Likewise.
	* libgdiagnostics.cc: Likewise.
	* libgdiagnostics.h (diagnostic_manager_write_patch): Likewise.
	* loop-invariant.cc (MAX_CANON_ADDR_PARTS): Likewise.
	* lra-assigns.cc (reload_pseudo_compare_func): Likewise.
	* lra-constraints.cc (match_reload): Likewise.
	(process_alt_operands): Likewise.
	(process_address_1): Likewise.
	(lra_constraints): Likewise.
	(inherit_in_ebb): Likewise.
	* lra-eliminations.cc (init_elim_table): Likewise.
	* lra-remat.cc: Likewise.
	* machmode.h (struct int_n_data_t): Likewise.
	* mem-stats.h (mem_alloc_description::register_descriptor): Likewise.
	(mem_alloc_description::unregister_descriptor): Likewise.
	* mode-switching.cc (optimize_mode_switching): Likewise.
	* modulo-sched.cc (schedule_reg_moves): Likewise.
	(optimize_sc): Likewise.