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[libc++][NFC] Inline _LIBCPP_FALLTHROUGH() (#135001)

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We have `[[fallthrough]]` available in all standards modes, so we can
just inline it like other stanard attributes we use.
This commit is contained in:
Nikolas Klauser 2025-04-11 12:07:04 +02:00 committed by GitHub
parent b656915d5a
commit cb43fe33b5
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GPG Key ID: B5690EEEBB952194
5 changed files with 5 additions and 8 deletions
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3
libcxx/include/__config
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@ -1124,9 +1124,6 @@ typedef __char32_t char32_t;
__attribute__((__format__(archetype, format_string_index, first_format_arg_index)))
# define _LIBCPP_PACKED __attribute__((__packed__))
// Use a function like macro to imply that it must be followed by a semicolon
# define _LIBCPP_FALLTHROUGH() [[fallthrough]]
# if __has_attribute(__no_sanitize__) && !defined(_LIBCPP_COMPILER_GCC)
# define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi")))
# else

4
libcxx/include/__functional/hash.h
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@ -64,10 +64,10 @@ struct __murmur2_or_cityhash<_Size, 32> {
switch (__len) {
case 3:
__h ^= static_cast<_Size>(__data[2] << 16);
_LIBCPP_FALLTHROUGH();
[[__fallthrough__]];
case 2:
__h ^= static_cast<_Size>(__data[1] << 8);
_LIBCPP_FALLTHROUGH();
[[__fallthrough__]];
case 1:
__h ^= __data[0];
__h *= __m;

2
libcxx/include/locale
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@ -2419,7 +2419,7 @@ bool money_get<_CharT, _InputIterator>::__do_get(
return false;
}
}
_LIBCPP_FALLTHROUGH();
[[__fallthrough__]];
case money_base::none:
if (__p != 3) {
while (__b != __e && __ct.is(ctype_base::space, *__b))

2
libcxx/include/regex
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@ -3929,7 +3929,7 @@ _ForwardIterator basic_regex<_CharT, _Traits>::__parse_character_escape(
if (__hd == -1)
std::__throw_regex_error<regex_constants::error_escape>();
__sum = 16 * __sum + static_cast<unsigned>(__hd);
_LIBCPP_FALLTHROUGH();
[[__fallthrough__]];
case 'x':
++__first;
if (__first == __last)

2
libcxx/src/filesystem/path_parser.h
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@ -90,7 +90,7 @@ public:
if (TkEnd)
return makeState(PS_InRootName, Start, TkEnd);
}
_LIBCPP_FALLTHROUGH();
[[__fallthrough__]];
case PS_InRootName: {
PosPtr TkEnd = consumeAllSeparators(Start, End);
if (TkEnd)