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#30612 with changes made.

GCC 15 introduces three build failures:

  • Two are related to missing includes. You can't use uint16_t et al. without including <cstdint>.

  • The third is harder to understand but easy to fix. GCC changed something about the way templates are instantiated when checking type constraints, and now there is a dependency loop while checking std::optional<CFeeRate>. This manifests as the following compile-time mess:

    In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/format:48,
                     from /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/bits/chrono_io.h:39,
                     from /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/chrono:3362,
                     from ./util/time.h:9,
                     from ./primitives/block.h:12,
                     from ./blockencodings.h:8,
                     from blockencodings.cpp:5:
    /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits: In substitution of 'template<class _Up>  requires !(is_same_v<std::optional<_Tp>, typename std::remove_cvref<_It2>::type>) && (is_constructible_v<_Tp, const _Up&>) && (__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type>) constexpr std::optional<CFeeRate>::optional(const std::optional<_Tp>&) [with _Up = CFeeRate]':
    /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:1140:25:   required by substitution of 'template<class _Tp, class ... _Args> using std::__is_constructible_impl = std::__bool_constant<__is_constructible(_Tp, _Args ...)> [with _Tp = CFeeRate; _Args = {std::optional<CFeeRate>&}]'
     1140 |       = __bool_constant<__is_constructible(_Tp, _Args...)>;
          |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:1145:12:   required from 'struct std::is_constructible<CFeeRate, std::optional<CFeeRate>&>'
     1145 |     struct is_constructible
          |            ^~~~~~~~~~~~~~~~
    /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:178:35:   required by substitution of 'template<class ... _Bn> std::__detail::__first_t<std::integral_constant<bool, false>, typename std::enable_if<(!(bool)(_Bn::value)), void>::type ...> std::__detail::__or_fn(int) [with _Bn = {std::is_constructible<CFeeRate, std::optional<CFeeRate>&>, std::is_convertible<std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, std::optional<CFeeRate> >, std::is_convertible<std::optional<CFeeRate>, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate>&>, std::is_convertible<const std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate> >, std::is_convertible<const std::optional<CFeeRate>, CFeeRate>}]'
      178 |                                      __enable_if_t<!bool(_Bn::value)>...>;
          |                                                               ^~~~~
    /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:196:41:   required from 'struct std::__or_<std::is_constructible<CFeeRate, std::optional<CFeeRate>&>, std::is_convertible<std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, std::optional<CFeeRate> >, std::is_convertible<std::optional<CFeeRate>, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate>&>, std::is_convertible<const std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate> >, std::is_convertible<const std::optional<CFeeRate>, CFeeRate> >'
      196 |     : decltype(__detail::__or_fn<_Bn...>(0))
          |                ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
    /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:824:45:   required from 'constexpr const bool std::optional<CFeeRate>::__construct_from_contained_value<CFeeRate, CFeeRate>'
      824 |           = !__converts_from_optional<_Tp, _From>::value;
          |                                                    ^~~~~
    /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:884:7:   required by substitution of 'template<class _Up>  requires !(is_same_v<std::optional<_Tp>, typename std::remove_cvref<_It2>::type>) && (is_constructible_v<_Tp, const _Up&>) && (__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type>) constexpr std::optional<CFeeRate>::optional(const std::optional<_Tp>&) [with _Up = CFeeRate]'
      884 |           && __construct_from_contained_value<_Up>
          |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    ./validation.h:164:41:   required from here
      164 |         return MempoolAcceptResult(state);
          |                                         ^
    /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:886:2:   required by the constraints of 'template<class _Tp> template<class _Up>  requires !(is_same_v<std::optional<_Tp>, typename std::remove_cvref<_It2>::type>) && (is_constructible_v<_Tp, const _Up&>) && (__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type>) constexpr std::optional<_Tp>::optional(const std::optional<_From>&)'
    /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:884:14: error: satisfaction of atomic constraint '__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type> [with _Tp = _Tp; _Up = _Up]' depends on itself
      884 |           && __construct_from_contained_value<_Up>
          |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    

    It is easiest to solve this by changing the static_assert in the explicit CFeeRate constructor to a SFINAE by using a type constraint on the function template parameter.

We already downstreamed these fixes in Gentoo.

In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/format:48,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/bits/chrono_io.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/chrono:3362,
                 from ./util/time.h:9,
                 from ./primitives/block.h:12,
                 from ./blockencodings.h:8,
                 from blockencodings.cpp:5:
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits: In substitution of 'template<class _Up>  requires !(is_same_v<std::optional<_Tp>, typename std::remove_cvref<_It2>::type>) && (is_constructible_v<_Tp, const _Up&>) && (__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type>) constexpr std::optional<CFeeRate>::optional(const std::optional<_Tp>&) [with _Up = CFeeRate]':
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:1140:25:   required by substitution of 'template<class _Tp, class ... _Args> using std::__is_constructible_impl = std::__bool_constant<__is_constructible(_Tp, _Args ...)> [with _Tp = CFeeRate; _Args = {std::optional<CFeeRate>&}]'
 1140 |       = __bool_constant<__is_constructible(_Tp, _Args...)>;
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:1145:12:   required from 'struct std::is_constructible<CFeeRate, std::optional<CFeeRate>&>'
 1145 |     struct is_constructible
      |            ^~~~~~~~~~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:178:35:   required by substitution of 'template<class ... _Bn> std::__detail::__first_t<std::integral_constant<bool, false>, typename std::enable_if<(!(bool)(_Bn::value)), void>::type ...> std::__detail::__or_fn(int) [with _Bn = {std::is_constructible<CFeeRate, std::optional<CFeeRate>&>, std::is_convertible<std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, std::optional<CFeeRate> >, std::is_convertible<std::optional<CFeeRate>, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate>&>, std::is_convertible<const std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate> >, std::is_convertible<const std::optional<CFeeRate>, CFeeRate>}]'
  178 |                                      __enable_if_t<!bool(_Bn::value)>...>;
      |                                                               ^~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:196:41:   required from 'struct std::__or_<std::is_constructible<CFeeRate, std::optional<CFeeRate>&>, std::is_convertible<std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, std::optional<CFeeRate> >, std::is_convertible<std::optional<CFeeRate>, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate>&>, std::is_convertible<const std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate> >, std::is_convertible<const std::optional<CFeeRate>, CFeeRate> >'
  196 |     : decltype(__detail::__or_fn<_Bn...>(0))
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:824:45:   required from 'constexpr const bool std::optional<CFeeRate>::__construct_from_contained_value<CFeeRate, CFeeRate>'
  824 |           = !__converts_from_optional<_Tp, _From>::value;
      |                                                    ^~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:884:7:   required by substitution of 'template<class _Up>  requires !(is_same_v<std::optional<_Tp>, typename std::remove_cvref<_It2>::type>) && (is_constructible_v<_Tp, const _Up&>) && (__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type>) constexpr std::optional<CFeeRate>::optional(const std::optional<_Tp>&) [with _Up = CFeeRate]'
  884 |           && __construct_from_contained_value<_Up>
      |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./validation.h:164:41:   required from here
  164 |         return MempoolAcceptResult(state);
      |                                         ^
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:886:2:   required by the constraints of 'template<class _Tp> template<class _Up>  requires !(is_same_v<std::optional<_Tp>, typename std::remove_cvref<_It2>::type>) && (is_constructible_v<_Tp, const _Up&>) && (__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type>) constexpr std::optional<_Tp>::optional(const std::optional<_From>&)'
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:884:14: error: satisfaction of atomic constraint '__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type> [with _Tp = _Tp; _Up = _Up]' depends on itself
  884 |           && __construct_from_contained_value<_Up>
      |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ACK 055bc05

@fanquake fanquake merged commit 012baa4 into bitcoin:master Aug 12, 2024
16 checks passed
@fanquake fanquake deleted the gcc_15_fixup branch August 12, 2024 13:04
fanquake pushed a commit to fanquake/bitcoin that referenced this pull request Aug 12, 2024
fanquake pushed a commit to fanquake/bitcoin that referenced this pull request Aug 12, 2024
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/format:48,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/bits/chrono_io.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/chrono:3362,
                 from ./util/time.h:9,
                 from ./primitives/block.h:12,
                 from ./blockencodings.h:8,
                 from blockencodings.cpp:5:
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits: In substitution of 'template<class _Up>  requires !(is_same_v<std::optional<_Tp>, typename std::remove_cvref<_It2>::type>) && (is_constructible_v<_Tp, const _Up&>) && (__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type>) constexpr std::optional<CFeeRate>::optional(const std::optional<_Tp>&) [with _Up = CFeeRate]':
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:1140:25:   required by substitution of 'template<class _Tp, class ... _Args> using std::__is_constructible_impl = std::__bool_constant<__is_constructible(_Tp, _Args ...)> [with _Tp = CFeeRate; _Args = {std::optional<CFeeRate>&}]'
 1140 |       = __bool_constant<__is_constructible(_Tp, _Args...)>;
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:1145:12:   required from 'struct std::is_constructible<CFeeRate, std::optional<CFeeRate>&>'
 1145 |     struct is_constructible
      |            ^~~~~~~~~~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:178:35:   required by substitution of 'template<class ... _Bn> std::__detail::__first_t<std::integral_constant<bool, false>, typename std::enable_if<(!(bool)(_Bn::value)), void>::type ...> std::__detail::__or_fn(int) [with _Bn = {std::is_constructible<CFeeRate, std::optional<CFeeRate>&>, std::is_convertible<std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, std::optional<CFeeRate> >, std::is_convertible<std::optional<CFeeRate>, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate>&>, std::is_convertible<const std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate> >, std::is_convertible<const std::optional<CFeeRate>, CFeeRate>}]'
  178 |                                      __enable_if_t<!bool(_Bn::value)>...>;
      |                                                               ^~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:196:41:   required from 'struct std::__or_<std::is_constructible<CFeeRate, std::optional<CFeeRate>&>, std::is_convertible<std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, std::optional<CFeeRate> >, std::is_convertible<std::optional<CFeeRate>, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate>&>, std::is_convertible<const std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate> >, std::is_convertible<const std::optional<CFeeRate>, CFeeRate> >'
  196 |     : decltype(__detail::__or_fn<_Bn...>(0))
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:824:45:   required from 'constexpr const bool std::optional<CFeeRate>::__construct_from_contained_value<CFeeRate, CFeeRate>'
  824 |           = !__converts_from_optional<_Tp, _From>::value;
      |                                                    ^~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:884:7:   required by substitution of 'template<class _Up>  requires !(is_same_v<std::optional<_Tp>, typename std::remove_cvref<_It2>::type>) && (is_constructible_v<_Tp, const _Up&>) && (__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type>) constexpr std::optional<CFeeRate>::optional(const std::optional<_Tp>&) [with _Up = CFeeRate]'
  884 |           && __construct_from_contained_value<_Up>
      |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./validation.h:164:41:   required from here
  164 |         return MempoolAcceptResult(state);
      |                                         ^
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:886:2:   required by the constraints of 'template<class _Tp> template<class _Up>  requires !(is_same_v<std::optional<_Tp>, typename std::remove_cvref<_It2>::type>) && (is_constructible_v<_Tp, const _Up&>) && (__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type>) constexpr std::optional<_Tp>::optional(const std::optional<_From>&)'
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:884:14: error: satisfaction of atomic constraint '__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type> [with _Tp = _Tp; _Up = _Up]' depends on itself
  884 |           && __construct_from_contained_value<_Up>
      |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Github-Pull: bitcoin#30633
Rebased-From: 055bc05
@fanquake
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Backported to 27.x in #30558.

fanquake pushed a commit to fanquake/bitcoin that referenced this pull request Aug 23, 2024
fanquake pushed a commit to fanquake/bitcoin that referenced this pull request Aug 23, 2024
In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/format:48,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/bits/chrono_io.h:39,
                 from /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/chrono:3362,
                 from ./util/time.h:9,
                 from ./primitives/block.h:12,
                 from ./blockencodings.h:8,
                 from blockencodings.cpp:5:
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits: In substitution of 'template<class _Up>  requires !(is_same_v<std::optional<_Tp>, typename std::remove_cvref<_It2>::type>) && (is_constructible_v<_Tp, const _Up&>) && (__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type>) constexpr std::optional<CFeeRate>::optional(const std::optional<_Tp>&) [with _Up = CFeeRate]':
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:1140:25:   required by substitution of 'template<class _Tp, class ... _Args> using std::__is_constructible_impl = std::__bool_constant<__is_constructible(_Tp, _Args ...)> [with _Tp = CFeeRate; _Args = {std::optional<CFeeRate>&}]'
 1140 |       = __bool_constant<__is_constructible(_Tp, _Args...)>;
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:1145:12:   required from 'struct std::is_constructible<CFeeRate, std::optional<CFeeRate>&>'
 1145 |     struct is_constructible
      |            ^~~~~~~~~~~~~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:178:35:   required by substitution of 'template<class ... _Bn> std::__detail::__first_t<std::integral_constant<bool, false>, typename std::enable_if<(!(bool)(_Bn::value)), void>::type ...> std::__detail::__or_fn(int) [with _Bn = {std::is_constructible<CFeeRate, std::optional<CFeeRate>&>, std::is_convertible<std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, std::optional<CFeeRate> >, std::is_convertible<std::optional<CFeeRate>, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate>&>, std::is_convertible<const std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate> >, std::is_convertible<const std::optional<CFeeRate>, CFeeRate>}]'
  178 |                                      __enable_if_t<!bool(_Bn::value)>...>;
      |                                                               ^~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/type_traits:196:41:   required from 'struct std::__or_<std::is_constructible<CFeeRate, std::optional<CFeeRate>&>, std::is_convertible<std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, std::optional<CFeeRate> >, std::is_convertible<std::optional<CFeeRate>, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate>&>, std::is_convertible<const std::optional<CFeeRate>&, CFeeRate>, std::is_constructible<CFeeRate, const std::optional<CFeeRate> >, std::is_convertible<const std::optional<CFeeRate>, CFeeRate> >'
  196 |     : decltype(__detail::__or_fn<_Bn...>(0))
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:824:45:   required from 'constexpr const bool std::optional<CFeeRate>::__construct_from_contained_value<CFeeRate, CFeeRate>'
  824 |           = !__converts_from_optional<_Tp, _From>::value;
      |                                                    ^~~~~
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:884:7:   required by substitution of 'template<class _Up>  requires !(is_same_v<std::optional<_Tp>, typename std::remove_cvref<_It2>::type>) && (is_constructible_v<_Tp, const _Up&>) && (__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type>) constexpr std::optional<CFeeRate>::optional(const std::optional<_Tp>&) [with _Up = CFeeRate]'
  884 |           && __construct_from_contained_value<_Up>
      |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./validation.h:164:41:   required from here
  164 |         return MempoolAcceptResult(state);
      |                                         ^
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:886:2:   required by the constraints of 'template<class _Tp> template<class _Up>  requires !(is_same_v<std::optional<_Tp>, typename std::remove_cvref<_It2>::type>) && (is_constructible_v<_Tp, const _Up&>) && (__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type>) constexpr std::optional<_Tp>::optional(const std::optional<_From>&)'
/usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/optional:884:14: error: satisfaction of atomic constraint '__construct_from_contained_value<_Up, typename std::remove_cv< <template-parameter-1-1> >::type> [with _Tp = _Tp; _Up = _Up]' depends on itself
  884 |           && __construct_from_contained_value<_Up>
      |              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Github-Pull: bitcoin#30633
Rebased-From: 055bc05
fanquake added a commit that referenced this pull request Aug 23, 2024
b06c4c6 [WIP] doc: update release notes for 27.x (fanquake)
57de0f5 policy/feerate.h: avoid constraint self-dependency (Matt Whitlock)
ccff378 add missing #include <cstdint> for GCC 15 (Matt Whitlock)
500bba0 test: fix constructor of msg_tx (Martin Zumsande)

Pull request description:

  Backports:
  * #30552
  * #30633

ACKs for top commit:
  stickies-v:
    ACK b06c4c6

Tree-SHA512: 1b669d1c7e0c6c2c2a1b123970c2b5b59a417a423ee1133296ebad2ecb50e5c3889a6ae8dc640f8ae464a969b1b0287a8005a3317ee7d7252b61d96e59c131a4
fanquake pushed a commit to fanquake/bitcoin that referenced this pull request Aug 26, 2024
fanquake added a commit that referenced this pull request Aug 28, 2024
7d5764f doc: update release notes for 26.x (fanquake)
1a08364 add missing #include <cstdint> for GCC 15 (Matt Whitlock)

Pull request description:

  Backports #30633 to the `26.x` branch, so that it can be compiled with GCC 15.

ACKs for top commit:
  glozow:
    utACK 7d5764f

Tree-SHA512: ecf01e45f9ebb11c683252d6ca6a5a31ff767be08bb5760d1a65e583793ab50a94c3396b47931451c67830f704781eb9264a81b4b05bec943f041ef38f563475
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