C++ patch ping

Hi!

I'd like to ping a few patches:

https://gcc.gnu.org/pipermail/gcc-patches/2026-April/715143.html
  libcpp: Fix up ICE with __VA_OPT__ [PR125048]

https://gcc.gnu.org/pipermail/gcc-patches/2026-May/716763.html
  testsuite: Clarify the std module export plugin diagnostics [PR125200]

https://gcc.gnu.org/pipermail/gcc-patches/2026-June/719440.html
  c++: Fix structured binding pack instantiation ICE [PR125591]

https://gcc.gnu.org/pipermail/gcc-patches/2026-June/719445.html
  c++: Fix up constexpr handling of break in expansion statements [PR125601]

https://gcc.gnu.org/pipermail/gcc-patches/2026-June/719902.html
  c++: Reject std::initializer_list with bases [PR125647]

https://gcc.gnu.org/pipermail/gcc-patches/2026-June/720021.html
  c++: Mangling fix for type alias reflections [PR125680]

https://gcc.gnu.org/pipermail/gcc-patches/2026-June/720034.html
  libcpp: Implement C++29 P3658R1 - Adjust identifier following new Unicode recommendations

https://gcc.gnu.org/pipermail/gcc-patches/2026-June/720036.html
  Fix up cpp_check_xid_property (used by rust)

https://gcc.gnu.org/pipermail/gcc-patches/2026-June/720060.html
  libcpp, c-family: Implement C++29 P3733R1 - More named universal character escapes

https://gcc.gnu.org/pipermail/gcc-patches/2026-June/720103.html
  c++: Fix mangling of empty anon union/struct unnamed NSDMs [PR125541]

https://gcc.gnu.org/pipermail/gcc-patches/2026-June/721574.html
  testsuite: Handle C++29 in libstdc++ uglification plugin

https://gcc.gnu.org/pipermail/gcc-patches/2026-June/721576.html
  testsuite: Handle C++29 in libstdc++ std module exports plugin

https://gcc.gnu.org/pipermail/gcc-patches/2026-July/724166.html
  testsuite: Add yet another [[clang::no_specializations]] testcase [PR120635]

https://gcc.gnu.org/pipermail/gcc-patches/2026-July/725435.html
  c++: implement C++29 P2287R6 - Designated-initializers for Base Classes [PR125989]

Thanks

	Jakub