Clang Flag: -Wc++17-compat / -Wno-c++17-compat
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Supergroups
- -Wc++17-compat-pedantic (89 elements)
- -Wc++1z-compat (45 elements)
Subroups
- -Wdeprecated-register (1 element)
- -Wdeprecated-increment-bool (1 element)
- -Wc++17-compat-mangling (1 element)
- -Wpre-c++20-compat (27 elements)
- -Wpre-c++23-compat (15 elements)
Warnings/Remarks
Default Active (Deactivate with -Wno-c++17-compat)
warn_deprecated_register | warning: 'register' storage class specifier is deprecated and incompatible with C++17 |
warn_increment_bool | warning: incrementing expression of type bool is deprecated and incompatible with C++17 |
warn_cxx17_compat_exception_spec_in_signature | warning: mangled name of A will change in C++17 due to non-throwing exception specification in function signature |
Default Inactive (Activate with -Wc++17-compat)
warn_cxx17_compat_adl_only_template_id | warning: use of function template name with no prior function template declaration in function call with explicit template arguments is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_bitfield_member_init | warning: default member initializer for bit-field is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_capture_binding | warning: captured structured bindings are incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_constexpr_body_invalid_stmt |
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warn_cxx17_compat_constexpr_ctor_missing_init | warning: constexpr constructor that does not initialize all members is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_constexpr_function_try_block |
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warn_cxx17_compat_constexpr_local_var_no_init |
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warn_cxx17_compat_constexpr_union_ctor_no_init | warning: constexpr union constructor that does not initialize any member is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_constexpr_virtual | warning: virtual constexpr functions are incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_decomp_decl_spec |
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warn_cxx17_compat_defaulted_comparison | warning: defaulted comparison operators are incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_defaulted_method_type_mismatch |
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warn_cxx17_compat_equals_this_lambda_capture | warning: explicit capture of 'this' with a capture default of '=' is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_explicit_bool | warning: explicit(bool) is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_for_range_init_stmt | warning: range-based for loop initialization statements are incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_init_capture_pack | warning: initialized lambda capture packs are incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_inline_nested_namespace_definition | warning: inline nested namespace definition is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_lambda_def_ctor_assign |
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warn_cxx17_compat_lambda_template_parameter_list | warning: explicit template parameter list for lambdas is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_missing_varargs_arg | warning: passing no argument for the '...' parameter of a variadic macro is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_spaceship | warning: '<=>' operator is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_template_nontype_parm_type | warning: non-type template parameter of type A is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_unicode_type | warning: 'char8_t' type specifier is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_using_decl_class_member_enumerator | warning: member using declaration naming a non-member enumerator is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_using_decl_non_member_enumerator | warning: member using declaration naming non-class 'A' enumerator is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_using_decl_scoped_enumerator | warning: using declaration naming a scoped enumerator is incompatible with C++ standards before C++20 | ||||||||||||||||||||
warn_cxx17_compat_using_enum_declaration | warning: using enum declaration is incompatible with C++ standards before C++20 | ||||||||||||||||||||
ext_subscript_overload |
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warn_cxx20_alias_in_init_statement | warning: alias declaration in this context is incompatible with C++ standards before C++23 | ||||||||||||||||||||
warn_cxx20_compat_auto_expr | warning: 'auto' as a functional-style cast is incompatible with C++ standards before C++23 | ||||||||||||||||||||
warn_cxx20_compat_consteval_if | warning: consteval if is incompatible with C++ standards before C++23 | ||||||||||||||||||||
warn_cxx20_compat_constexpr_body_invalid_stmt |
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warn_cxx20_compat_constexpr_var |
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warn_cxx20_compat_decl_attrs_on_lambda |
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warn_cxx20_compat_label_end_of_compound_statement | warning: label at end of compound statement is incompatible with C++ standards before C++23 | ||||||||||||||||||||
warn_cxx20_compat_operator_overload_static | warning: declaring overloaded A as 'static' is incompatible with C++ standards before C++23 | ||||||||||||||||||||
warn_cxx20_compat_size_t_suffix | warning: 'size_t' suffix for literals is incompatible with C++ standards before C++23 | ||||||||||||||||||||
warn_cxx20_compat_static_lambda | warning: static lambdas are incompatible with C++ standards before C++23 | ||||||||||||||||||||
warn_cxx23_compat_defaulted_comparison_constexpr_mismatch |
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warn_cxx23_compat_pp_directive |
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warn_cxx23_compat_warning_directive | warning: #warning is incompatible with C++ standards before C++23 | ||||||||||||||||||||
warn_cxx23_delimited_escape_sequence |
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