Error: on macOS with gcc-14: "non-constant condition for static assertion"

[ClausKlein]

/Users/clausklein/Workspace/cpp/beman-project/inplace_vector/tests/beman/inplace_vector/ref_impl.test.cpp:332:17: error: non-constant condition for static assertion
  332 |   static_assert(ct, "CONSTEXPR TESTS FAILED");
      |                 ^~
/Users/clausklein/Workspace/cpp/beman-project/inplace_vector/tests/beman/inplace_vector/ref_impl.test.cpp: In instantiation of 'void test_all() [with T = int; long unsigned int N = 10]':
/Users/clausklein/Workspace/cpp/beman-project/inplace_vector/tests/beman/inplace_vector/ref_impl.test.cpp:352:20:   required from here
  352 |   test_all<int, 10>();
      |   ~~~~~~~~~~~~~~~~~^~
/Users/clausklein/Workspace/cpp/beman-project/inplace_vector/tests/beman/inplace_vector/ref_impl.test.cpp:331:38: error: 'constexpr bool test_all_() [with T = int; long unsigned int N = 10]' called in a constant expression
  331 |   constexpr bool ct = test_all_<T, N>();
      |                       ~~~~~~~~~~~~~~~^~
/Users/clausklein/Workspace/cpp/beman-project/inplace_vector/tests/beman/inplace_vector/ref_impl.test.cpp:319:53: note: 'constexpr bool test_all_() [with T = int; long unsigned int N = 10]' is not usable as a 'constexpr' function because:
  319 | template <typename T, std::size_t N> constexpr bool test_all_() {
      |                                                     ^~~~~~~~~
/Users/clausklein/Workspace/cpp/beman-project/inplace_vector/tests/beman/inplace_vector/ref_impl.test.cpp:332:17: error: non-constant condition for static assertion
  332 |   static_assert(ct, "CONSTEXPR TESTS FAILED");
      |                 ^~
ninja: build stopped: subcommand failed.
bash-5.2$ CXX=gcc-14 LDFLAGS= cmake -G Ninja -S . -B build -DCMAKE_CXX_STANDARD=23 --fresh 
-- The CXX compiler identification is GNU 14.2.0
-- Checking whether CXX compiler has -isysroot
-- Checking whether CXX compiler has -isysroot - yes
-- Checking whether CXX compiler supports OSX deployment target flag
-- Checking whether CXX compiler supports OSX deployment target flag - yes
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/local/bin/gcc-14 - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
Examples to be built: fibonacci
-- Configuring done (2.4s)
-- Generating done (0.1s)
-- Build files have been written to: /Users/clausklein/Workspace/cpp/beman-project/inplace_vector/build
bash-5.2$ builddriver ninja -C build
builddriver executing: 'ninja -C build'
Compilation FAILED in 1.805541 seconds
Number of warnings: 0
Number of errors: 1006
Last Error:
  Message: "non-constant condition for static assertion"
  Path: /Users/clausklein/Workspace/cpp/beman-project/inplace_vector/tests/beman/inplace_vector/ref_impl.test.cpp
  Line Number: 332
  Column: 17
For full log, please open: /var/folders/wb/ckvxxgls5db7qyhqq4y5_l1c0000gq/T/build-bbaivtne.log
bash-5.2$