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warning-flags.c
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warning-flags.c
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RUN: diagtool list-warnings > %t 2>&1
RUN: FileCheck --input-file=%t %s
This test serves two purposes:
(1) It documents all existing warnings that currently have no associated -W flag,
and ensures that the list never grows.
If take an existing warning and add a flag, this test will fail. To
fix this test, simply remove that warning from the list below.
(2) It prevents us adding new warnings to Clang that have no -W flag. All
new warnings should have -W flags.
If you add a new warning without a flag, this test will fail. To fix
this test, simply add a warning group to that warning.
The list of warnings below should NEVER grow. It should gradually shrink to 0.
CHECK: Warnings without flags (90):
CHECK-NEXT: ext_excess_initializers
CHECK-NEXT: ext_excess_initializers_in_char_array_initializer
CHECK-NEXT: ext_expected_semi_decl_list
CHECK-NEXT: ext_explicit_specialization_storage_class
CHECK-NEXT: ext_initializer_string_for_char_array_too_long
CHECK-NEXT: ext_missing_declspec
CHECK-NEXT: ext_missing_whitespace_after_macro_name
CHECK-NEXT: ext_new_paren_array_nonconst
CHECK-NEXT: ext_plain_complex
CHECK-NEXT: ext_template_arg_extra_parens
CHECK-NEXT: ext_typecheck_comparison_of_pointer_integer
CHECK-NEXT: ext_typecheck_cond_incompatible_operands
CHECK-NEXT: ext_typecheck_cond_incompatible_operands_nonstandard
CHECK-NEXT: ext_typecheck_ordered_comparison_of_function_pointers
CHECK-NEXT: ext_typecheck_ordered_comparison_of_pointer_integer
CHECK-NEXT: ext_using_undefined_std
CHECK-NEXT: pp_include_next_absolute_path
CHECK-NEXT: pp_include_next_in_primary
CHECK-NEXT: pp_invalid_string_literal
CHECK-NEXT: pp_out_of_date_dependency
CHECK-NEXT: pp_poisoning_existing_macro
CHECK-NEXT: pp_pragma_once_in_main_file
CHECK-NEXT: pp_pragma_sysheader_in_main_file
CHECK-NEXT: w_asm_qualifier_ignored
CHECK-NEXT: warn_accessor_property_type_mismatch
CHECK-NEXT: warn_arcmt_nsalloc_realloc
CHECK-NEXT: warn_asm_label_on_auto_decl
CHECK-NEXT: warn_c_kext
CHECK-NEXT: warn_call_to_pure_virtual_member_function_from_ctor_dtor
CHECK-NEXT: warn_call_wrong_number_of_arguments
CHECK-NEXT: warn_case_empty_range
CHECK-NEXT: warn_char_constant_too_large
CHECK-NEXT: warn_collection_expr_type
CHECK-NEXT: warn_conflicting_variadic
CHECK-NEXT: warn_conv_to_base_not_used
CHECK-NEXT: warn_conv_to_self_not_used
CHECK-NEXT: warn_conv_to_void_not_used
CHECK-NEXT: warn_delete_array_type
CHECK-NEXT: warn_double_const_requires_fp64
CHECK-NEXT: warn_drv_assuming_mfloat_abi_is
CHECK-NEXT: warn_drv_clang_unsupported
CHECK-NEXT: warn_drv_objc_gc_unsupported
CHECK-NEXT: warn_drv_pch_not_first_include
CHECK-NEXT: warn_dup_category_def
CHECK-NEXT: warn_duplicate_protocol_def
CHECK-NEXT: warn_enum_value_overflow
CHECK-NEXT: warn_expected_qualified_after_typename
CHECK-NEXT: warn_extraneous_char_constant
CHECK-NEXT: warn_fe_cc_log_diagnostics_failure
CHECK-NEXT: warn_fe_cc_print_header_failure
CHECK-NEXT: warn_fe_macro_contains_embedded_newline
CHECK-NEXT: warn_file_asm_volatile
CHECK-NEXT: warn_ignoring_ftabstop_value
CHECK-NEXT: warn_implements_nscopying
CHECK-NEXT: warn_incompatible_qualified_id
CHECK-NEXT: warn_inline_namespace_reopened_noninline
CHECK-NEXT: warn_invalid_asm_cast_lvalue
CHECK-NEXT: warn_maynot_respond
CHECK-NEXT: warn_method_param_redefinition
CHECK-NEXT: warn_missing_case_for_condition
CHECK-NEXT: warn_missing_dependent_template_keyword
CHECK-NEXT: warn_missing_exception_specification
CHECK-NEXT: warn_missing_whitespace_after_macro_name
CHECK-NEXT: warn_mt_message
CHECK-NEXT: warn_no_constructor_for_refconst
CHECK-NEXT: warn_not_compound_assign
CHECK-NEXT: warn_objc_property_copy_missing_on_block
CHECK-NEXT: warn_objc_protocol_qualifier_missing_id
CHECK-NEXT: warn_on_superclass_use
CHECK-NEXT: warn_partial_specs_not_deducible
CHECK-NEXT: warn_pp_convert_lhs_to_positive
CHECK-NEXT: warn_pp_convert_rhs_to_positive
CHECK-NEXT: warn_pp_expr_overflow
CHECK-NEXT: warn_pp_line_decimal
CHECK-NEXT: warn_pragma_pack_pop_identifer_and_alignment
CHECK-NEXT: warn_pragma_pack_show
CHECK-NEXT: warn_property_getter_owning_mismatch
CHECK-NEXT: warn_register_objc_catch_parm
CHECK-NEXT: warn_related_result_type_compatibility_class
CHECK-NEXT: warn_related_result_type_compatibility_protocol
CHECK-NEXT: warn_template_export_unsupported
CHECK-NEXT: warn_template_spec_extra_headers
CHECK-NEXT: warn_tentative_incomplete_array
CHECK-NEXT: warn_typecheck_function_qualifiers
CHECK-NEXT: warn_undef_interface
CHECK-NEXT: warn_undef_interface_suggest
CHECK-NEXT: warn_undef_protocolref
CHECK-NEXT: warn_use_out_of_scope_declaration
CHECK-NEXT: warn_weak_identifier_undeclared
CHECK-NEXT: warn_weak_import
The list of warnings in -Wpedantic should NEVER grow.
CHECK: Number in -Wpedantic (not covered by other -W flags): 28