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Jonathan Wakely dfc1ea414e libstdc++: Replace std::isdigit and std::isxdigit in <format> [PR107817] 
These functions aren't usable in constant expressions. Provide our own
implementations, based on __from_chars_alnum_to_val from <charconv>.

libstdc++-v3/ChangeLog:

	PR libstdc++/107817
	* include/std/charconv (__from_chars_alnum_to_val): Add
	constexpr for C++20.
	* include/std/format (__is_digit, __is_xdigit): New functions.
	(_Spec::_S_parse_width_or_precision): Use __is_digit.
	(__formatter_fp::parse): Use __is_xdigit.
2022-11-22 17:45:46 +00:00
..
algorithm
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
any
libstdc++: Simplify constraints for std::any construction [PR104242]
2022-03-18 15:40:03 +00:00
array
libstdc++: Fix -Wsystem-headers warnings
2022-11-08 17:35:15 +00:00
atomic
libstdc++: Partial library support for std::float{16,32,64,128}_t and std::bfloat16_t
2022-10-18 11:37:13 +02:00
barrier
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
bit
libstdc++: Add preprocessor conditions for freestanding [PR106953]
2022-09-16 21:47:19 +01:00
bitset
libstdc++: Define <bits/functexcept.h> functions for freestanding [PR107135]
2022-10-04 15:03:28 +01:00
charconv
libstdc++: Replace std::isdigit and std::isxdigit in <format> [PR107817]
2022-11-22 17:45:46 +00:00
chrono
libstdc++: Improve performance of chrono::utc_clock::now()
2022-11-16 20:52:53 +00:00
codecvt
Update copyright years.
2022-01-03 10:42:10 +01:00
complex
libstdc++: Fix one more malformed requires-clause [PR107649]
2022-11-19 15:05:28 +00:00
concepts
libstdc++: Optimize std::destructible concept
2022-11-10 01:59:34 +00:00
condition_variable
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
coroutine
libstdc++: Enable std::hash<coroutine_handle<P>> [PR107139]
2022-10-04 15:03:28 +01:00
deque
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
execution
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
expected
libstdc++: Remove unnecessary variant member in std::expected
2022-11-02 12:54:16 +00:00
filesystem
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
format
libstdc++: Replace std::isdigit and std::isxdigit in <format> [PR107817]
2022-11-22 17:45:46 +00:00
forward_list
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
fstream
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
functional
libstdc++: Reduce size of std::bind_front(F) result
2022-11-21 17:46:42 +00:00
future
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
iomanip
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
ios
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
iosfwd
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
iostream
libstdc++: Fix stream initialization with static library [PR107701]
2022-11-16 08:53:51 -05:00
istream
libstdc++-v3: Some std::*float*_t charconv and i/ostream overloads
2022-11-01 13:34:51 +01:00
iterator
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
latch
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
limits
libstdc++-v3: Implement {,b}float16_t nextafter and some fixes [PR106652]
2022-10-19 11:26:17 +02:00
list
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
locale
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
map
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
memory
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
memory_resource
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
mutex
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
numbers
libstdc++: Partial library support for std::float{16,32,64,128}_t and std::bfloat16_t
2022-10-18 11:37:13 +02:00
numeric
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
optional
libstdc++: Fix missing and incorrect feature test macros [PR105269]
2022-04-14 11:02:37 +01:00
ostream
libstdc++-v3: Some std::*float*_t charconv and i/ostream overloads
2022-11-01 13:34:51 +01:00
queue
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
random
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
ranges
libstdc++: Implement ranges::as_rvalue_view from P2446R2
2022-11-07 13:29:42 -05:00
ratio
Update copyright years.
2022-01-03 10:42:10 +01:00
regex
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
scoped_allocator
libstdc++: Improve doxygen docs for some of <memory>
2022-05-13 13:32:23 +01:00
semaphore
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
set
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
shared_mutex
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
source_location
libstdc++: Tweak source_location for clang trunk [PR105128]
2022-04-02 12:49:38 +02:00
span
Update copyright years.
2022-01-03 10:42:10 +01:00
spanstream
libstdc++: Fix -Wsystem-headers warnings
2022-11-08 17:35:15 +00:00
sstream
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
stack
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
stacktrace
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
stdexcept
Update copyright years.
2022-01-03 10:42:10 +01:00
stdfloat
libstdc++: Partial library support for std::float{16,32,64,128}_t and std::bfloat16_t
2022-10-18 11:37:13 +02:00
stop_token
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
streambuf
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
string
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
string_view
libstdc++: Add [[nodiscard]] attribute to <string> and <string_view>
2022-08-31 10:28:46 +01:00
syncstream
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
system_error
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
thread
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
tuple
libstdc++: Improve Doxygen comments in <tuple>
2022-11-21 17:46:42 +00:00
type_traits
libstdc++: Partial library support for std::float{16,32,64,128}_t and std::bfloat16_t
2022-10-18 11:37:13 +02:00
typeindex
Update copyright years.
2022-01-03 10:42:10 +01:00
unordered_map
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
unordered_set
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
utility
libstdc++: Implement std::unreachable() for C++23 (P0627R6)
2022-04-01 13:17:18 +01:00
valarray
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
variant
libstdc++: Ignore -Wignored-qualifiers warning in <variant>
2022-11-02 12:54:16 +00:00
vector
libstdc++: Mark headers that must be hosted as such [PR103626]
2022-10-03 15:43:48 +01:00
version
libstdc++: Fix value of __cpp_lib_constexpr_charconv
2022-10-17 09:39:37 +01:00