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[libc++][C++03] Remove XFAILs from the non-frozen libc++-specific tests #144101

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Aug 26, 2025
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[libc++][C++03] Remove XFAILs from the non-frozen libc++-specific tests #144101

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/algorithms/half_positive.pass.cpp
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// __half_positive divides an integer number by 2 as unsigned number for known types.
// It can be an important optimization for lower bound, for example.

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__algorithm/half_positive.h>
#include <cassert>
#include <cstddef>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/algorithms/vectorization.compile.pass.cpp
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// We don't know how to vectorize algorithms on GCC
// XFAIL: gcc

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

// We don't vectorize algorithms before C++14
// XFAIL: c++03, c++11

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/assertions/customize_verbose_abort.link-time.pass.cpp
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// failures when back-deploying.
// XFAIL: availability-verbose_abort-missing

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__verbose_abort>
#include <cstdlib>

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/assertions/default_verbose_abort.pass.cpp
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// Test that the default verbose termination function aborts the program.
// XFAIL: availability-verbose_abort-missing

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__verbose_abort>
#include <csignal>
#include <cstdlib>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/assertions/modes/none.pass.cpp
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// REQUIRES: libcpp-hardening-mode=none

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__assert>
#include <cassert>

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/assertions/single_expression.pass.cpp
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// This is useful so we can use them in places that require an expression, such as
// in a constructor initializer list.

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__assert>
#include <cassert>

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2 changes: 0 additions & 2 deletions ...atomics/atomics.types.operations/atomics.types.operations.req/atomic_fetch_add.verify.cpp
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//
//===----------------------------------------------------------------------===//

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

// <atomic>

// template <class T>
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2 changes: 0 additions & 2 deletions ...tomics.types.operations/atomics.types.operations.req/atomic_fetch_add_explicit.verify.cpp
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//
//===----------------------------------------------------------------------===//

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

// <atomic>

// template <class T>
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2 changes: 0 additions & 2 deletions ...atomics/atomics.types.operations/atomics.types.operations.req/atomic_fetch_sub.verify.cpp
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//
//===----------------------------------------------------------------------===//

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

// <atomic>

// template <class T>
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2 changes: 0 additions & 2 deletions ...tomics.types.operations/atomics.types.operations.req/atomic_fetch_sub_explicit.verify.cpp
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//
//===----------------------------------------------------------------------===//

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

// <atomic>

// template <class T>
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3 changes: 0 additions & 3 deletions libcxx/test/libcxx/clang_tidy.gen.py
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// REQUIRES: has-clang-tidy

// The frozen headers should not be updated to the latest libc++ style, so don't test.
// UNSUPPORTED: FROZEN-CXX03-HEADERS-FIXME

// The GCC compiler flags are not always compatible with clang-tidy.
// UNSUPPORTED: gcc

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/containers/associative/tree_balance_after_insert.pass.cpp
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// void
// __tree_balance_after_insert(_NodePtr __root, _NodePtr __x)

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__tree>
#include <cassert>

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/containers/associative/tree_left_rotate.pass.cpp
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// void
// __tree_left_rotate(_NodePtr __x);

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__tree>
#include <cassert>

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/containers/associative/tree_remove.pass.cpp
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// void
// __tree_remove(_NodePtr __root, _NodePtr __z)

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__tree>
#include <cassert>

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/containers/associative/tree_right_rotate.pass.cpp
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// void
// __tree_right_rotate(_NodePtr __x);

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__tree>
#include <cassert>

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/containers/container_traits.compile.pass.cpp
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// <__type_traits/container_traits.h>
//

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__type_traits/container_traits.h>

#include <deque>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/containers/unord/next_pow2.pass.cpp
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// If n <= 1, return n. If n is a power of 2, return n.
// Otherwise, return the next power of 2.

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__hash_table>
#include <cassert>
#include <cstdint>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/containers/unord/next_prime.pass.cpp
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// If n == 0, return 0, else return the lowest prime greater than or equal to n

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__hash_table>
#include <cassert>
#include <cstddef>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/experimental/fexperimental-library.compile.pass.cpp
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// ADDITIONAL_COMPILE_FLAGS: -fexperimental-library

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <version>

#if !_LIBCPP_HAS_EXPERIMENTAL_PSTL
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/input.output/string.streams/stringbuf/const_sso_buffer.pass.cpp
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// <sstream>

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

// How the constructors of basic_stringbuf initialize the buffer pointers is
// not specified. For some constructors it's implementation defined whether the
// pointers are set to nullptr. Libc++'s implementation directly uses the SSO
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/iterators/aliasing_iterator.pass.cpp
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// ADDITIONAL_COMPILE_FLAGS(clang): -Wprivate-header

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__iterator/aliasing_iterator.h>
#include <cassert>

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/iterators/bounded_iter/arithmetic.pass.cpp
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//
// Arithmetic operators

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__iterator/bounded_iter.h>
#include <cstddef>

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/iterators/bounded_iter/comparison.pass.cpp
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//
// Comparison operators

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <concepts>
#include <__iterator/bounded_iter.h>

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/iterators/bounded_iter/pointer_traits.pass.cpp
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//
// std::pointer_traits specialization

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__iterator/bounded_iter.h>
#include <cassert>
#include <cstddef>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/iterators/bounded_iter/types.compile.pass.cpp
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//
// Nested types

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__iterator/bounded_iter.h>
#include <cstddef>
#include <iterator>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/iterators/contiguous_iterators.conv.compile.pass.cpp
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// Verify that libc++-wrapped iterators do not permit slicing conversion or construction.

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <array>
#include <span>
#include <type_traits>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/iterators/contiguous_iterators.verify.cpp
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// __bounded_iter<_Iter>

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

// Verify that __bounded_iter does not accept non-contiguous iterators as determined by __libcpp_is_contiguous_iterator.
// static_assert should be used, see https://github.com/llvm/llvm-project/issues/115002.
// __wrap_iter cannot be so handled because it may directly wrap user-defined fancy pointers in libc++'s vector.
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/iterators/iterator.primitives/iterator.operations/prev.verify.cpp
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// std::prev

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <iterator>
#include "test_iterators.h"

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/language.support/support.dynamic/libcpp_deallocate.sh.cpp
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// GCC doesn't support the aligned-allocation flags.
// XFAIL: gcc

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

// RUN: %{build} -faligned-allocation -fsized-deallocation
// RUN: %{run}
// RUN: %{build} -faligned-allocation -fno-sized-deallocation -DNO_SIZE
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/memory/allocation_guard.pass.cpp
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// To allow checking that self-move works correctly.
// ADDITIONAL_COMPILE_FLAGS: -Wno-self-move

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

// template<class _Alloc>
// struct __allocation_guard;

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/memory/swap_allocator.pass.cpp
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//===----------------------------------------------------------------------===//
//

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

// <memory>

// template <typename _Alloc>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/numerics/bit.ops.pass.cpp
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// Test the __XXXX routines in the <bit> header.
// These are not supposed to be exhaustive tests, just sanity checks.

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__bit/bit_log2.h>
#include <__bit/countl.h>
#include <__bit/rotate.h>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/numerics/clamp_to_integral.pass.cpp
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// closest representable value for the specified integer type, or
// numeric_limits<IntT>::max()/min() if the value isn't representable.

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__random/clamp_to_integral.h>
#include <cassert>
#include <cmath>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/numerics/complex.number/cmplx.over.pow.pass.cpp
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// <complex>

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

// template<class T, class U> complex<__promote_t<T, U>> pow(const complex<T>&, const U&);
// template<class T, class U> complex<__promote_t<T, U>> pow(const complex<T>&, const complex<U>&);
// template<class T, class U> complex<__promote_t<T, U>> pow(const T&, const complex<U>&);
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/strings/basic.string/string.capacity/max_size.pass.cpp
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//
//===----------------------------------------------------------------------===//

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

// <string>

// This test ensures that the correct max_size() is returned depending on the platform.
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/strings/c.strings/constexpr_memmove.pass.cpp
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// and is_trivially_XXX_assignable), so we use some funky types to test these
// corner cases.

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__string/constexpr_c_functions.h>
#include <cassert>
#include <cstdint>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/system_reserved_names.gen.py
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{lit_header_restrictions.get(header, '')}
{lit_header_undeprecations.get(header, '')}

// UNSUPPORTED: FROZEN-CXX03-HEADERS-FIXME

// This is required to detect the platform we're building for below.
#include <__config>

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/transitive_includes.gen.py
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// TODO: Figure out why <stdatomic.h> doesn't work on FreeBSD
// UNSUPPORTED: LIBCXX-FREEBSD-FIXME

// UNSUPPORTED: FROZEN-CXX03-HEADERS-FIXME

// RUN: mkdir %t
// RUN: %{{cxx}} %s %{{flags}} %{{compile_flags}} --trace-includes -fshow-skipped-includes --preprocess > /dev/null 2> %t/trace-includes.txt
// RUN: %{{python}} %{{libcxx-dir}}/test/libcxx/transitive_includes/to_csv.py %t/trace-includes.txt > %t/actual_transitive_includes.csv
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/type_traits/datasizeof.compile.pass.cpp
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//
//===----------------------------------------------------------------------===//

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__type_traits/datasizeof.h>
#include <cstdint>
#include <type_traits>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/type_traits/desugars_to.compile.pass.cpp
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//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: FROZEN-CXX03-HEADERS-FIXME

// This test requires variable templates
// UNSUPPORTED: gcc && c++11

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/type_traits/is_constant_evaluated.pass.cpp
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// returns false when there's no constant evaluation support from the compiler.
// as well as when called not in a constexpr context

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__type_traits/is_constant_evaluated.h>
#include <cassert>

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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/type_traits/is_replaceable.compile.pass.cpp
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//
//===----------------------------------------------------------------------===//

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__type_traits/is_replaceable.h>
#include <array>
#include <deque>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/type_traits/is_trivially_comparable.compile.pass.cpp
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//
//===----------------------------------------------------------------------===//

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__type_traits/conditional.h>
#include <__type_traits/is_equality_comparable.h>
#include <__type_traits/is_signed.h>
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2 changes: 0 additions & 2 deletions libcxx/test/libcxx/type_traits/is_trivially_relocatable.compile.pass.cpp
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//
//===----------------------------------------------------------------------===//

// XFAIL: FROZEN-CXX03-HEADERS-FIXME

#include <__type_traits/is_trivially_relocatable.h>
#include <array>
#include <deque>
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