clang/test/Misc/warning-flags.c

   1 RUN: diagtool list-warnings > %t 2>&1
   2 RUN: FileCheck --input-file=%t %s
   3
   4 This test serves two purposes:
   5
   6 (1) It documents all existing warnings that currently have no associated -W flag,
   7     and ensures that the list never grows.
   8
   9     If you take an existing warning and add a flag, this test will fail.
  10     To fix this test, simply remove that warning from the list below.
  11
  12 (2) It prevents us adding new warnings to Clang that have no -W flag.  All
  13     new warnings should have -W flags.
  14
  15     If you add a new warning without a flag, this test will fail.  To fix
  16     this test, simply add a warning group to that warning.
  17
  18
  19 The list of warnings below should NEVER grow.  It should gradually shrink to 0.
  20
  21 CHECK: Warnings without flags (74):
  22 CHECK-NEXT:   ext_excess_initializers
  23 CHECK-NEXT:   ext_excess_initializers_in_char_array_initializer
  24 CHECK-NEXT:   ext_expected_semi_decl_list
  25 CHECK-NEXT:   ext_explicit_specialization_storage_class
  26 CHECK-NEXT:   ext_initializer_string_for_char_array_too_long
  27 CHECK-NEXT:   ext_missing_declspec
  28 CHECK-NEXT:   ext_missing_whitespace_after_macro_name
  29 CHECK-NEXT:   ext_new_paren_array_nonconst
  30 CHECK-NEXT:   ext_plain_complex
  31 CHECK-NEXT:   ext_template_arg_extra_parens
  32 CHECK-NEXT:   ext_typecheck_cond_incompatible_operands
  33 CHECK-NEXT:   ext_typecheck_ordered_comparison_of_pointer_integer
  34 CHECK-NEXT:   ext_using_undefined_std
  35 CHECK-NEXT:   pp_invalid_string_literal
  36 CHECK-NEXT:   pp_out_of_date_dependency
  37 CHECK-NEXT:   pp_poisoning_existing_macro
  38 CHECK-NEXT:   warn_accessor_property_type_mismatch
  39 CHECK-NEXT:   warn_arcmt_nsalloc_realloc
  40 CHECK-NEXT:   warn_asm_label_on_auto_decl
  41 CHECK-NEXT:   warn_c_kext
  42 CHECK-NEXT:   warn_call_wrong_number_of_arguments
  43 CHECK-NEXT:   warn_case_empty_range
  44 CHECK-NEXT:   warn_char_constant_too_large
  45 CHECK-NEXT:   warn_collection_expr_type
  46 CHECK-NEXT:   warn_conflicting_variadic
  47 CHECK-NEXT:   warn_conv_to_base_not_used
  48 CHECK-NEXT:   warn_conv_to_self_not_used
  49 CHECK-NEXT:   warn_conv_to_void_not_used
  50 CHECK-NEXT:   warn_delete_array_type
  51 CHECK-NEXT:   warn_double_const_requires_fp64
  52 CHECK-NEXT:   warn_drv_assuming_mfloat_abi_is
  53 CHECK-NEXT:   warn_drv_clang_unsupported
  54 CHECK-NEXT:   warn_drv_pch_not_first_include
  55 CHECK-NEXT:   warn_dup_category_def
  56 CHECK-NEXT:   warn_enum_value_overflow
  57 CHECK-NEXT:   warn_expected_qualified_after_typename
  58 CHECK-NEXT:   warn_extraneous_char_constant
  59 CHECK-NEXT:   warn_fe_cc_log_diagnostics_failure
  60 CHECK-NEXT:   warn_fe_cc_print_header_failure
  61 CHECK-NEXT:   warn_fe_macro_contains_embedded_newline
  62 CHECK-NEXT:   warn_ignoring_ftabstop_value
  63 CHECK-NEXT:   warn_implements_nscopying
  64 CHECK-NEXT:   warn_incompatible_qualified_id
  65 CHECK-NEXT:   warn_inline_namespace_reopened_noninline
  66 CHECK-NEXT:   warn_invalid_asm_cast_lvalue
  67 CHECK-NEXT:   warn_maynot_respond
  68 CHECK-NEXT:   warn_method_param_redefinition
  69 CHECK-NEXT:   warn_missing_case_for_condition
  70 CHECK-NEXT:   warn_missing_dependent_template_keyword
  71 CHECK-NEXT:   warn_missing_whitespace_after_macro_name
  72 CHECK-NEXT:   warn_mt_message
  73 CHECK-NEXT:   warn_no_constructor_for_refconst
  74 CHECK-NEXT:   warn_not_compound_assign
  75 CHECK-NEXT:   warn_objc_property_copy_missing_on_block
  76 CHECK-NEXT:   warn_objc_protocol_qualifier_missing_id
  77 CHECK-NEXT:   warn_on_superclass_use
  78 CHECK-NEXT:   warn_pp_convert_to_positive
  79 CHECK-NEXT:   warn_pp_expr_overflow
  80 CHECK-NEXT:   warn_pp_line_decimal
  81 CHECK-NEXT:   warn_pragma_pack_pop_identifier_and_alignment
  82 CHECK-NEXT:   warn_pragma_pack_show
  83 CHECK-NEXT:   warn_property_getter_owning_mismatch
  84 CHECK-NEXT:   warn_register_objc_catch_parm
  85 CHECK-NEXT:   warn_related_result_type_compatibility_class
  86 CHECK-NEXT:   warn_related_result_type_compatibility_protocol
  87 CHECK-NEXT:   warn_template_export_unsupported
  88 CHECK-NEXT:   warn_template_spec_extra_headers
  89 CHECK-NEXT:   warn_tentative_incomplete_array
  90 CHECK-NEXT:   warn_typecheck_function_qualifiers
  91 CHECK-NEXT:   warn_undef_interface
  92 CHECK-NEXT:   warn_undef_interface_suggest
  93 CHECK-NEXT:   warn_undef_protocolref
  94 CHECK-NEXT:   warn_weak_identifier_undeclared
  95 CHECK-NEXT:   warn_weak_import
  96
  97 The list of warnings in -Wpedantic should NEVER grow.
  98
  99 CHECK: Number in -Wpedantic (not covered by other -W flags): 27