caio/clang-p2996
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
8fcb1263f42657ecbc355beff12500dfbcddee17
clang-p2996/clang/test/Lexer/cxx-features.cpp
Matheus Izvekov 8a334af417 [clang] Remove the deprecated flag -frelaxed-template-template-args. (#111894) 
This flag has been deprecated since Clang 19, having been the default
since then.

It has remained because its negation was still useful to work around
backwards compatibility breaking changes from P0522.

However, in Clang 20 we have landed various changes which implemented
P3310R2 and beyond, which solve almost all of the expected issues, the
known remaining few being a bit obscure.

So this change removes the flag completely and all of its implementation
and support code.

Hopefully any remaining users can just stop using the flag. If there are
still important issues remaining, this removal will also shake the tree
and help us know.
2025-01-29 16:57:05 -03:00

380 lines
13 KiB
C++
Raw Blame History

// RUN: %clang_cc1 -std=c++98 -fcxx-exceptions -verify %s
// RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -verify %s
// RUN: %clang_cc1 -std=c++14 -fcxx-exceptions -verify %s
// RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -verify %s
// RUN: %clang_cc1 -std=c++20 -fcxx-exceptions -verify %s
// RUN: %clang_cc1 -std=c++23 -fcxx-exceptions -verify %s
// RUN: %clang_cc1 -std=c++2c -fcxx-exceptions -verify %s
//
// RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -DCONCEPTS_TS=1 -verify %s
// RUN: %clang_cc1 -std=c++14 -fno-rtti -fno-threadsafe-statics -verify %s -DNO_EXCEPTIONS -DNO_RTTI -DNO_THREADSAFE_STATICS
// RUN: %clang_cc1 -std=c++14 -fchar8_t -DNO_EXCEPTIONS -DCHAR8_T -verify %s
// RUN: %clang_cc1 -std=c++2a -fno-char8_t -DNO_EXCEPTIONS -DNO_CHAR8_T -verify %s
// expected-no-diagnostics
// FIXME using `defined` in a macro has undefined behavior.
#if __cplusplus < 201103L
#define check(macro, cxx98, cxx11, cxx14, cxx17, cxx20, cxx23, cxx26) (cxx98 == 0 ? defined(__cpp_##macro) : __cpp_##macro != cxx98)
#elif __cplusplus < 201402L
#define check(macro, cxx98, cxx11, cxx14, cxx17, cxx20, cxx23, cxx26) (cxx11 == 0 ? defined(__cpp_##macro) : __cpp_##macro != cxx11)
#elif __cplusplus < 201703L
#define check(macro, cxx98, cxx11, cxx14, cxx17, cxx20, cxx23, cxx26) (cxx14 == 0 ? defined(__cpp_##macro) : __cpp_##macro != cxx14)
#elif __cplusplus < 202002L
#define check(macro, cxx98, cxx11, cxx14, cxx17, cxx20, cxx23, cxx26) (cxx17 == 0 ? defined(__cpp_##macro) : __cpp_##macro != cxx17)
#elif __cplusplus < 202302L
#define check(macro, cxx98, cxx11, cxx14, cxx17, cxx20, cxx23, cxx26) (cxx20 == 0 ? defined(__cpp_##macro) : __cpp_##macro != cxx20)
#elif __cplusplus == 202302L
#define check(macro, cxx98, cxx11, cxx14, cxx17, cxx20, cxx23, cxx26) (cxx23 == 0 ? defined(__cpp_##macro) : __cpp_##macro != cxx23)
#else
#define check(macro, cxx98, cxx11, cxx14, cxx17, cxx20, cxx23, cxx26) (cxx26 == 0 ? defined(__cpp_##macro) : __cpp_##macro != cxx26)
#endif
// --- C++26 features ---
#if check(variadic_friend, 202403, 202403, 202403, 202403, 202403, 202403, 202403)
#error "wrong value for __cpp_variadic_friend"
#endif
#if check(deleted_function, 202403, 202403, 202403, 202403, 202403, 202403, 202403)
#error "wrong value for __cpp_deleted_function"
#endif
#if check(pack_indexing, 202311, 202311, 202311, 202311, 202311, 202311, 202311)
#error "wrong value for __cpp_pack_indexing"
#endif
#if check(placeholder_variables, 202306, 202306, 202306, 202306, 202306, 202306, 202306)
#error "wrong value for __cpp_placeholder_variables"
#endif
// --- C++23 features ---
#if check(auto_cast, 0, 0, 0, 0, 0, 202110, 202110)
#error "wrong value for __cpp_auto_cast"
#endif
#if check(implicit_move, 0, 0, 0, 0, 0, 202207, 202207)
#error "wrong value for __cpp_implicit_move"
#endif
#if check(size_t_suffix, 0, 0, 0, 0, 0, 202011, 202011)
#error "wrong value for __cpp_size_t_suffix"
#endif
#if check(if_consteval, 0, 0, 0, 0, 0, 202106, 202106)
#error "wrong value for __cpp_if_consteval"
#endif
#if check(multidimensional_subscript, 0, 0, 0, 0, 0, 202211, 202211)
#error "wrong value for __cpp_multidimensional_subscript"
#endif
#if check(static_call_operator, 0, 202207, 202207, 202207, 202207, 202207, 202207)
#error "wrong value for __cpp_static_call_operator"
#endif
#if check(named_character_escapes, 202207, 202207, 202207, 202207, 202207, 202207, 202207)
#error "wrong value for __cpp_named_character_escapes"
#endif
#if check(explicit_this_parameter, 0, 0, 0, 0, 0, 202110L, 202110L)
#error "wrong value for __cpp_explicit_this_parameter"
#endif
// --- C++20 features ---
#if check(aggregate_paren_init, 0, 0, 0, 0, 201902, 201902, 201902)
#error "wrong value for __cpp_aggregate_paren_init"
#endif
#if defined(CHAR8_T) ? check(char8_t, 202207, 202207, 202207, 202207, 202207, 202207, 202207) : \
defined(NO_CHAR8_T) ? check(char8_t, 0, 0, 0, 0, 0, 0, 0) : \
check(char8_t, 0, 0, 0, 0, 202207, 202207, 202207)
#error "wrong value for __cpp_char8_t"
#endif
#if check(concepts, 0, 0, 0, 0, 202002, 202002, 202002)
#error "wrong value for __cpp_concepts"
#endif
#if check(conditional_explicit, 0, 0, 0, 0, 201806, 201806, 201806)
#error "wrong value for __cpp_conditional_explicit"
#endif
#if check(consteval, 0, 0, 0, 0, 202211, 202211, 202211)
#error "wrong value for __cpp_consteval"
#endif
// constexpr checked below
#if check(constexpr_dynamic_alloc, 0, 0, 0, 0, 201907, 201907, 201907)
#error "wrong value for __cpp_constexpr_dynamic_alloc"
#endif
#if check(constexpr_in_decltype, 0, 201711, 201711, 201711, 201711, 201711, 201711)
#error "wrong value for __cpp_constexpr_in_decltype"
#endif
#if check(constinit, 0, 0, 0, 0, 201907, 201907, 201907)
#error "wrong value for __cpp_constinit"
#endif
// deduction_guides checked below
#if check(designated_initializers, 0, 0, 0, 0, 201707, 201707, 201707)
#error "wrong value for __cpp_designated_initializers"
#endif
// generic_lambdas checked below
#if check(impl_destroying_delete, 201806, 201806, 201806, 201806, 201806, 201806, 201806)
#error "wrong value for __cpp_impl_destroying_delete"
#endif
#if check(impl_three_way_comparison, 0, 0, 0, 0, 201907, 201907, 201907)
#error "wrong value for __cpp_impl_three_way_comparison"
#endif
#if check(impl_coroutine, 0, 0, 0, 0, 201902L, 201902L, 201902L)
#error "wrong value for __cpp_impl_coroutine"
#endif
// init_captures checked below
#if check(modules, 0, 0, 0, 0, 0, 0, 0)
// FIXME: 201907 in C++20
#error "wrong value for __cpp_modules"
#endif
#if check(using_enum, 0, 0, 0, 0, 201907, 201907, 201907)
#error "wrong value for __cpp_using_enum"
#endif
// --- C++17 features ---
#if check(hex_float, 0, 0, 0, 201603, 201603, 201603, 201603)
#error "wrong value for __cpp_hex_float"
#endif
#if check(inline_variables, 0, 0, 0, 201606, 201606, 201606, 201606)
#error "wrong value for __cpp_inline_variables"
#endif
#if check(aligned_new, 0, 0, 0, 201606, 201606, 201606, 201606)
#error "wrong value for __cpp_aligned_new"
#endif
#if check(guaranteed_copy_elision, 0, 0, 0, 201606, 201606, 201606, 201606)
#error "wrong value for __cpp_guaranteed_copy_elision"
#endif
#if check(noexcept_function_type, 0, 0, 0, 201510, 201510, 201510, 201510)
#error "wrong value for __cpp_noexcept_function_type"
#endif
#if check(fold_expressions, 0, 0, 0, 201603, 201603, 201603, 201603)
#error "wrong value for __cpp_fold_expressions"
#endif
#if check(capture_star_this, 0, 0, 0, 201603, 201603, 201603, 201603)
#error "wrong value for __cpp_capture_star_this"
#endif
// constexpr checked below
#if check(if_constexpr, 0, 0, 0, 201606, 201606, 201606, 201606)
#error "wrong value for __cpp_if_constexpr"
#endif
#if check(deduction_guides, 0, 0, 0, 201703, 201703, 201703, 201703)
// FIXME: 201907 in C++20
#error "wrong value for __cpp_deduction_guides"
#endif
#if check(nontype_template_parameter_auto, 0, 0, 0, 201606, 201606, 201606, 201606)
#error "wrong value for __cpp_nontype_template_parameter_auto"
#endif
// This is the old name (from P0096R4) for
// __cpp_nontype_template_parameter_auto
#if check(template_auto, 0, 0, 0, 201606, 201606, 201606, 201606)
#error "wrong value for __cpp_template_auto"
#endif
#if check(namespace_attributes, 0, 0, 0, 201411, 201411, 201411, 201411)
// FIXME: allowed without warning in C++14 and C++11
#error "wrong value for __cpp_namespace_attributes"
#endif
#if check(enumerator_attributes, 0, 0, 0, 201411, 201411, 201411, 201411)
// FIXME: allowed without warning in C++14 and C++11
#error "wrong value for __cpp_enumerator_attributes"
#endif
// This is an old name (from P0096R4), now removed from SD-6.
#if check(nested_namespace_definitions, 0, 0, 0, 201411, 201411, 201411, 201411)
#error "wrong value for __cpp_nested_namespace_definitions"
#endif
// inheriting_constructors checked below
#if check(variadic_using, 0, 0, 0, 201611, 201611, 201611, 201611)
#error "wrong value for __cpp_variadic_using"
#endif
#if check(aggregate_bases, 0, 0, 0, 201603, 201603, 201603, 201603)
#error "wrong value for __cpp_aggregate_bases"
#endif
#if check(structured_bindings, 0, 0, 0, 202403L, 202403L, 202403L, 202403L)
#error "wrong value for __cpp_structured_bindings"
#endif
#if check(nontype_template_args, 0, 0, 0, 201411, 201411, 201411, 201411)
// FIXME: 201911 in C++20
#error "wrong value for __cpp_nontype_template_args"
#endif
#if check(template_template_args, 201611, 201611, 201611, 201611, 201611, 201611, 201611)
#error "wrong value for __cpp_template_template_args"
#endif
// --- C++14 features ---
#if check(binary_literals, 0, 0, 201304, 201304, 201304, 201304, 201304)
#error "wrong value for __cpp_binary_literals"
#endif
// (Removed from SD-6.)
#if check(digit_separators, 0, 0, 201309, 201309, 201309, 201309, 201309)
#error "wrong value for __cpp_digit_separators"
#endif
#if check(init_captures, 0, 0, 201304, 201304, 201803, 201803, 201803)
#error "wrong value for __cpp_init_captures"
#endif
#if check(generic_lambdas, 0, 0, 201304, 201304, 201707, 201707, 201707)
#error "wrong value for __cpp_generic_lambdas"
#endif
#if check(sized_deallocation, 0, 0, 201309, 201309, 201309, 201309, 201309)
#error "wrong value for __cpp_sized_deallocation"
#endif
// constexpr checked below
#if check(decltype_auto, 0, 0, 201304, 201304, 201304, 201304, 201304)
#error "wrong value for __cpp_decltype_auto"
#endif
#if check(return_type_deduction, 0, 0, 201304, 201304, 201304, 201304, 201304)
#error "wrong value for __cpp_return_type_deduction"
#endif
#if check(runtime_arrays, 0, 0, 0, 0, 0, 0, 0)
#error "wrong value for __cpp_runtime_arrays"
#endif
#if check(aggregate_nsdmi, 0, 0, 201304, 201304, 201304, 201304, 201304)
#error "wrong value for __cpp_aggregate_nsdmi"
#endif
#if check(variable_templates, 0, 0, 201304, 201304, 201304, 201304, 201304)
#error "wrong value for __cpp_variable_templates"
#endif
// --- C++11 features ---
#if check(unicode_characters, 0, 200704, 200704, 200704, 200704, 200704, 200704)
#error "wrong value for __cpp_unicode_characters"
#endif
#if check(raw_strings, 0, 200710, 200710, 200710, 200710, 200710, 200710)
#error "wrong value for __cpp_raw_strings"
#endif
#if check(unicode_literals, 0, 200710, 200710, 200710, 200710, 200710, 200710)
#error "wrong value for __cpp_unicode_literals"
#endif
#if check(user_defined_literals, 0, 200809, 200809, 200809, 200809, 200809, 200809)
#error "wrong value for __cpp_user_defined_literals"
#endif
#if defined(NO_THREADSAFE_STATICS) ? check(threadsafe_static_init, 0, 0, 0, 0, 0, 0, 0) : \
check(threadsafe_static_init, 200806, 200806, 200806, 200806, 200806, 200806, 200806)
#error "wrong value for __cpp_threadsafe_static_init"
#endif
#if check(lambdas, 0, 200907, 200907, 200907, 200907, 200907, 200907)
#error "wrong value for __cpp_lambdas"
#endif
#if check(constexpr, 0, 200704, 201304, 201603, 201907, 202211, 202406L)
#error "wrong value for __cpp_constexpr"
#endif
#if check(range_based_for, 0, 200907, 200907, 201603, 201603, 202211, 202211)
#error "wrong value for __cpp_range_based_for"
#endif
#if check(static_assert, 0, 202306, 202306, 202306, 202306, 202306, 202306)
#error "wrong value for __cpp_static_assert"
#endif
#if check(decltype, 0, 200707, 200707, 200707, 200707, 200707, 200707)
#error "wrong value for __cpp_decltype"
#endif
#if check(attributes, 0, 200809, 200809, 200809, 200809, 200809, 200809)
#error "wrong value for __cpp_attributes"
#endif
#if check(rvalue_references, 0, 200610, 200610, 200610, 200610, 200610, 200610)
#error "wrong value for __cpp_rvalue_references"
#endif
#if check(variadic_templates, 0, 200704, 200704, 200704, 200704, 200704, 200704)
#error "wrong value for __cpp_variadic_templates"
#endif
#if check(initializer_lists, 0, 200806, 200806, 200806, 200806, 200806, 200806)
#error "wrong value for __cpp_initializer_lists"
#endif
#if check(delegating_constructors, 0, 200604, 200604, 200604, 200604, 200604, 200604)
#error "wrong value for __cpp_delegating_constructors"
#endif
#if check(nsdmi, 0, 200809, 200809, 200809, 200809, 200809, 200809)
#error "wrong value for __cpp_nsdmi"
#endif
#if check(inheriting_constructors, 0, 201511, 201511, 201511, 201511, 201511, 201511)
#error "wrong value for __cpp_inheriting_constructors"
#endif
#if check(ref_qualifiers, 0, 200710, 200710, 200710, 200710, 200710, 200710)
#error "wrong value for __cpp_ref_qualifiers"
#endif
#if check(alias_templates, 0, 200704, 200704, 200704, 200704, 200704, 200704)
#error "wrong value for __cpp_alias_templates"
#endif
// --- C++98 features ---
#if defined(NO_RTTI) ? check(rtti, 0, 0, 0, 0, 0, 0, 0 ) \
: check(rtti, 199711, 199711, 199711, 199711, 199711, 199711, 199711)
#error "wrong value for __cpp_rtti"
#endif
#if defined(NO_EXCEPTIONS) ? check(exceptions, 0, 0, 0, 0, 0, 0, 0) \
: check(exceptions, 199711, 199711, 199711, 199711, 199711, 199711, 199711)
#error "wrong value for __cpp_exceptions"
#endif
Reference in New Issue View Git Blame Copy Permalink