warning-flags.c revision 0f163e964289bc18e9bc1ec37a6a01018ba62640
1RUN: diagtool list-warnings 2>&1 | FileCheck %s 2 3This test serves two purposes: 4 5(1) It documents all existing warnings that currently have no associated -W flag, 6 and ensures that the list never grows. 7 8 If take an existing warning and add a flag, this test will fail. To 9 fix this test, simply remove that warning from the list below. 10 11(2) It prevents us adding new warnings to Clang that have no -W flag. All 12 new warnings should have -W flags. 13 14 If you add a new warning without a flag, this test will fail. To fix 15 this test, simply add a warning group to that warning. 16 17 18The list of warnings below should NEVER grow. It should gradually shrink to 0. 19 20CHECK: Warnings without flags (257): 21CHECK-NEXT: ext_anonymous_struct_union_qualified 22CHECK-NEXT: ext_binary_literal 23CHECK-NEXT: ext_cast_fn_obj 24CHECK-NEXT: ext_delete_void_ptr_operand 25CHECK-NEXT: ext_designated_init 26CHECK-NEXT: ext_duplicate_declspec 27CHECK-NEXT: ext_ellipsis_exception_spec 28CHECK-NEXT: ext_empty_fnmacro_arg 29CHECK-NEXT: ext_empty_source_file 30CHECK-NEXT: ext_enum_friend 31CHECK-NEXT: ext_enum_value_not_int 32CHECK-NEXT: ext_enumerator_list_comma 33CHECK-NEXT: ext_expected_semi_decl_list 34CHECK-NEXT: ext_explicit_instantiation_without_qualified_id 35CHECK-NEXT: ext_explicit_specialization_storage_class 36CHECK-NEXT: ext_extra_ivar_semi 37CHECK-NEXT: ext_extra_struct_semi 38CHECK-NEXT: ext_forward_ref_enum 39CHECK-NEXT: ext_freestanding_complex 40CHECK-NEXT: ext_hexconstant_invalid 41CHECK-NEXT: ext_ident_list_in_param 42CHECK-NEXT: ext_imaginary_constant 43CHECK-NEXT: ext_implicit_lib_function_decl 44CHECK-NEXT: ext_in_class_initializer_non_constant 45CHECK-NEXT: ext_integer_complement_complex 46CHECK-NEXT: ext_integer_complex 47CHECK-NEXT: ext_integer_increment_complex 48CHECK-NEXT: ext_invalid_sign_spec 49CHECK-NEXT: ext_missing_declspec 50CHECK-NEXT: ext_missing_varargs_arg 51CHECK-NEXT: ext_missing_whitespace_after_macro_name 52CHECK-NEXT: ext_new_paren_array_nonconst 53CHECK-NEXT: ext_nonstandard_escape 54CHECK-NEXT: ext_param_not_declared 55CHECK-NEXT: ext_paste_comma 56CHECK-NEXT: ext_plain_complex 57CHECK-NEXT: ext_pp_bad_vaargs_use 58CHECK-NEXT: ext_pp_comma_expr 59CHECK-NEXT: ext_pp_ident_directive 60CHECK-NEXT: ext_pp_import_directive 61CHECK-NEXT: ext_pp_include_next_directive 62CHECK-NEXT: ext_pp_line_too_big 63CHECK-NEXT: ext_pp_macro_redef 64CHECK-NEXT: ext_pp_warning_directive 65CHECK-NEXT: ext_return_has_void_expr 66CHECK-NEXT: ext_subscript_non_lvalue 67CHECK-NEXT: ext_template_arg_extra_parens 68CHECK-NEXT: ext_thread_before 69CHECK-NEXT: ext_top_level_semi 70CHECK-NEXT: ext_typecheck_addrof_void 71CHECK-NEXT: ext_typecheck_cast_nonscalar 72CHECK-NEXT: ext_typecheck_cast_to_union 73CHECK-NEXT: ext_typecheck_comparison_of_distinct_pointers 74CHECK-NEXT: ext_typecheck_comparison_of_distinct_pointers_nonstandard 75CHECK-NEXT: ext_typecheck_comparison_of_fptr_to_void 76CHECK-NEXT: ext_typecheck_comparison_of_pointer_integer 77CHECK-NEXT: ext_typecheck_cond_incompatible_operands 78CHECK-NEXT: ext_typecheck_cond_incompatible_operands_nonstandard 79CHECK-NEXT: ext_typecheck_cond_one_void 80CHECK-NEXT: ext_typecheck_convert_int_pointer 81CHECK-NEXT: ext_typecheck_convert_pointer_int 82CHECK-NEXT: ext_typecheck_convert_pointer_void_func 83CHECK-NEXT: ext_typecheck_ordered_comparison_of_function_pointers 84CHECK-NEXT: ext_typecheck_ordered_comparison_of_pointer_and_zero 85CHECK-NEXT: ext_typecheck_ordered_comparison_of_pointer_integer 86CHECK-NEXT: ext_typecheck_zero_array_size 87CHECK-NEXT: ext_unknown_escape 88CHECK-NEXT: ext_using_undefined_std 89CHECK-NEXT: ext_vla_folded_to_constant 90CHECK-NEXT: pp_include_next_absolute_path 91CHECK-NEXT: pp_include_next_in_primary 92CHECK-NEXT: pp_invalid_string_literal 93CHECK-NEXT: pp_out_of_date_dependency 94CHECK-NEXT: pp_poisoning_existing_macro 95CHECK-NEXT: pp_pragma_once_in_main_file 96CHECK-NEXT: pp_pragma_sysheader_in_main_file 97CHECK-NEXT: pp_undef_builtin_macro 98CHECK-NEXT: w_asm_qualifier_ignored 99CHECK-NEXT: warn_accessor_property_type_mismatch 100CHECK-NEXT: warn_anon_bitfield_width_exceeds_type_size 101CHECK-NEXT: warn_asm_label_on_auto_decl 102CHECK-NEXT: warn_attribute_ibaction 103CHECK-NEXT: warn_attribute_iboutlet 104CHECK-NEXT: warn_attribute_ignored 105CHECK-NEXT: warn_attribute_ignored_for_field_of_type 106CHECK-NEXT: warn_attribute_malloc_pointer_only 107CHECK-NEXT: warn_attribute_nonnull_no_pointers 108CHECK-NEXT: warn_attribute_precede_definition 109CHECK-NEXT: warn_attribute_sentinel_named_arguments 110CHECK-NEXT: warn_attribute_sentinel_not_variadic 111CHECK-NEXT: warn_attribute_type_not_supported 112CHECK-NEXT: warn_attribute_unknown_visibility 113CHECK-NEXT: warn_attribute_void_function_method 114CHECK-NEXT: warn_attribute_weak_import_invalid_on_definition 115CHECK-NEXT: warn_attribute_weak_on_field 116CHECK-NEXT: warn_attribute_weak_on_local 117CHECK-NEXT: warn_attribute_wrong_decl_type 118CHECK-NEXT: warn_availability_and_unavailable 119CHECK-NEXT: warn_availability_unknown_platform 120CHECK-NEXT: warn_availability_version_ordering 121CHECK-NEXT: warn_bad_receiver_type 122CHECK-NEXT: warn_bitfield_width_exceeds_type_size 123CHECK-NEXT: warn_bool_switch_condition 124CHECK-NEXT: warn_braces_around_scalar_init 125CHECK-NEXT: warn_c_kext 126CHECK-NEXT: warn_call_to_pure_virtual_member_function_from_ctor_dtor 127CHECK-NEXT: warn_call_wrong_number_of_arguments 128CHECK-NEXT: warn_case_empty_range 129CHECK-NEXT: warn_char_constant_too_large 130CHECK-NEXT: warn_class_method_not_found 131CHECK-NEXT: warn_cmdline_missing_macro_defs 132CHECK-NEXT: warn_collection_expr_type 133CHECK-NEXT: warn_conflicting_param_types 134CHECK-NEXT: warn_conflicting_ret_types 135CHECK-NEXT: warn_conflicting_variadic 136CHECK-NEXT: warn_conv_to_base_not_used 137CHECK-NEXT: warn_conv_to_self_not_used 138CHECK-NEXT: warn_conv_to_void_not_used 139CHECK-NEXT: warn_cxx0x_right_shift_in_template_arg 140CHECK-NEXT: warn_decl_in_param_list 141CHECK-NEXT: warn_delete_array_type 142CHECK-NEXT: warn_division_by_zero 143CHECK-NEXT: warn_double_const_requires_fp64 144CHECK-NEXT: warn_drv_assuming_mfloat_abi_is 145CHECK-NEXT: warn_drv_clang_unsupported 146CHECK-NEXT: warn_drv_input_file_unused 147CHECK-NEXT: warn_drv_not_using_clang_arch 148CHECK-NEXT: warn_drv_not_using_clang_cpp 149CHECK-NEXT: warn_drv_not_using_clang_cxx 150CHECK-NEXT: warn_drv_objc_gc_unsupported 151CHECK-NEXT: warn_drv_pch_not_first_include 152CHECK-NEXT: warn_drv_preprocessed_input_file_unused 153CHECK-NEXT: warn_dup_category_def 154CHECK-NEXT: warn_duplicate_protocol_def 155CHECK-NEXT: warn_enum_too_large 156CHECK-NEXT: warn_enum_value_overflow 157CHECK-NEXT: warn_enumerator_too_large 158CHECK-NEXT: warn_exception_caught_by_earlier_handler 159CHECK-NEXT: warn_excess_initializers 160CHECK-NEXT: warn_excess_initializers_in_char_array_initializer 161CHECK-NEXT: warn_expected_qualified_after_typename 162CHECK-NEXT: warn_extern_init 163CHECK-NEXT: warn_extraneous_char_constant 164CHECK-NEXT: warn_fe_cc_log_diagnostics_failure 165CHECK-NEXT: warn_fe_cc_print_header_failure 166CHECK-NEXT: warn_fe_macro_contains_embedded_newline 167CHECK-NEXT: warn_file_asm_volatile 168CHECK-NEXT: warn_function_attribute_wrong_type 169CHECK-NEXT: warn_gc_attribute_weak_on_local 170CHECK-NEXT: warn_gnu_inline_attribute_requires_inline 171CHECK-NEXT: warn_hex_escape_too_large 172CHECK-NEXT: warn_ignoring_ftabstop_value 173CHECK-NEXT: warn_illegal_constant_array_size 174CHECK-NEXT: warn_implements_nscopying 175CHECK-NEXT: warn_incompatible_qualified_id 176CHECK-NEXT: warn_initializer_string_for_char_array_too_long 177CHECK-NEXT: warn_inline_namespace_reopened_noninline 178CHECK-NEXT: warn_inst_method_not_found 179CHECK-NEXT: warn_instance_method_on_class_found 180CHECK-NEXT: warn_integer_too_large 181CHECK-NEXT: warn_integer_too_large_for_signed 182CHECK-NEXT: warn_invalid_asm_cast_lvalue 183CHECK-NEXT: warn_many_braces_around_scalar_init 184CHECK-NEXT: warn_maynot_respond 185CHECK-NEXT: warn_member_extra_qualification 186CHECK-NEXT: warn_method_param_redefinition 187CHECK-NEXT: warn_mismatched_exception_spec 188CHECK-NEXT: warn_missing_case_for_condition 189CHECK-NEXT: warn_missing_dependent_template_keyword 190CHECK-NEXT: warn_missing_exception_specification 191CHECK-NEXT: warn_missing_whitespace_after_macro_name 192CHECK-NEXT: warn_multiple_method_decl 193CHECK-NEXT: warn_no_constructor_for_refconst 194CHECK-NEXT: warn_nonnull_pointers_only 195CHECK-NEXT: warn_not_compound_assign 196CHECK-NEXT: warn_ns_attribute_wrong_parameter_type 197CHECK-NEXT: warn_ns_attribute_wrong_return_type 198CHECK-NEXT: warn_objc_object_attribute_wrong_type 199CHECK-NEXT: warn_objc_property_copy_missing_on_block 200CHECK-NEXT: warn_objc_property_default_assign_on_object 201CHECK-NEXT: warn_objc_property_no_assignment_attribute 202CHECK-NEXT: warn_objc_protocol_qualifier_missing_id 203CHECK-NEXT: warn_octal_escape_too_large 204CHECK-NEXT: warn_odr_tag_type_inconsistent 205CHECK-NEXT: warn_on_superclass_use 206CHECK-NEXT: warn_param_default_argument_redefinition 207CHECK-NEXT: warn_partial_specs_not_deducible 208CHECK-NEXT: warn_pointer_attribute_wrong_type 209CHECK-NEXT: warn_pp_convert_lhs_to_positive 210CHECK-NEXT: warn_pp_convert_rhs_to_positive 211CHECK-NEXT: warn_pp_expr_overflow 212CHECK-NEXT: warn_pp_line_decimal 213CHECK-NEXT: warn_pragma_align_expected_equal 214CHECK-NEXT: warn_pragma_align_invalid_option 215CHECK-NEXT: warn_pragma_debug_unexpected_command 216CHECK-NEXT: warn_pragma_expected_colon 217CHECK-NEXT: warn_pragma_expected_enable_disable 218CHECK-NEXT: warn_pragma_expected_identifier 219CHECK-NEXT: warn_pragma_expected_lparen 220CHECK-NEXT: warn_pragma_expected_rparen 221CHECK-NEXT: warn_pragma_extra_tokens_at_eol 222CHECK-NEXT: warn_pragma_ms_struct 223CHECK-NEXT: warn_pragma_options_align_reset_failed 224CHECK-NEXT: warn_pragma_options_align_unsupported_option 225CHECK-NEXT: warn_pragma_options_expected_align 226CHECK-NEXT: warn_pragma_pack_invalid_action 227CHECK-NEXT: warn_pragma_pack_invalid_alignment 228CHECK-NEXT: warn_pragma_pack_malformed 229CHECK-NEXT: warn_pragma_pack_pop_failed 230CHECK-NEXT: warn_pragma_pack_pop_identifer_and_alignment 231CHECK-NEXT: warn_pragma_pack_show 232CHECK-NEXT: warn_pragma_pop_macro_no_push 233CHECK-NEXT: warn_pragma_unknown_extension 234CHECK-NEXT: warn_pragma_unused_expected_punc 235CHECK-NEXT: warn_pragma_unused_expected_var 236CHECK-NEXT: warn_pragma_unused_expected_var_arg 237CHECK-NEXT: warn_pragma_unused_undeclared_var 238CHECK-NEXT: warn_previous_alias_decl 239CHECK-NEXT: warn_printf_asterisk_missing_arg 240CHECK-NEXT: warn_property_attr_mismatch 241CHECK-NEXT: warn_property_attribute 242CHECK-NEXT: warn_property_getter_owning_mismatch 243CHECK-NEXT: warn_property_types_are_incompatible 244CHECK-NEXT: warn_readonly_property 245CHECK-NEXT: warn_receiver_forward_class 246CHECK-NEXT: warn_redecl_library_builtin 247CHECK-NEXT: warn_redeclaration_without_attribute_prev_attribute_ignored 248CHECK-NEXT: warn_register_objc_catch_parm 249CHECK-NEXT: warn_related_result_type_compatibility_class 250CHECK-NEXT: warn_related_result_type_compatibility_protocol 251CHECK-NEXT: warn_remainder_by_zero 252CHECK-NEXT: warn_root_inst_method_not_found 253CHECK-NEXT: warn_second_parameter_of_va_start_not_last_named_argument 254CHECK-NEXT: warn_second_parameter_to_va_arg_never_compatible 255CHECK-NEXT: warn_standalone_specifier 256CHECK-NEXT: warn_static_inline_explicit_inst_ignored 257CHECK-NEXT: warn_static_non_static 258CHECK-NEXT: warn_template_export_unsupported 259CHECK-NEXT: warn_template_spec_extra_headers 260CHECK-NEXT: warn_tentative_incomplete_array 261CHECK-NEXT: warn_transparent_union_attribute_field_size_align 262CHECK-NEXT: warn_transparent_union_attribute_floating 263CHECK-NEXT: warn_transparent_union_attribute_not_definition 264CHECK-NEXT: warn_transparent_union_attribute_zero_fields 265CHECK-NEXT: warn_typecheck_function_qualifiers 266CHECK-NEXT: warn_unavailable_fwdclass_message 267CHECK-NEXT: warn_undef_interface 268CHECK-NEXT: warn_undef_interface_suggest 269CHECK-NEXT: warn_undef_protocolref 270CHECK-NEXT: warn_undefined_internal 271CHECK-NEXT: warn_unknown_analyzer_checker 272CHECK-NEXT: warn_unknown_method_family 273CHECK-NEXT: warn_unterminated_char 274CHECK-NEXT: warn_unterminated_string 275CHECK-NEXT: warn_use_out_of_scope_declaration 276CHECK-NEXT: warn_weak_identifier_undeclared 277CHECK-NEXT: warn_weak_import 278