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RedBear-OS/local/recipes/dev/libclc/source/clang/test/Lexer/cxx-features.cpp
T
vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class) 
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

380 lines
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// 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, 202411L, 202411L, 202411L, 202411L)
#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, 202002, 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
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