carbon-language/carbon-lang v0.0.0-0.nightly.2025.09.19 on GitHub

What's Changed

Fix the import C++ namespace indirectly test to make it expected to fail by @bricknerb in #6076
Mark Check::Context::insts() as const and use it in more use cases by @bricknerb in #6093
Set deduce_through to false for FacetType, since we don't deduce through it by @danakj in #6087
C++ interop: Don't crash when looking up names inside an incomplete C++ class/struct/union by @bricknerb in #6096
Change the Destroy blanket impls to be more specific by @jonmeow in #6098

Fix typo and update comment on why std::cout not working now. by @bricknerb in #6095

Bump rexml from 3.3.9 to 3.4.2 in /website in the bundler group across 1 directory by @dependabot[bot] in #6088

Full Changelog: v0.0.0-0.nightly.2025.09.18...v0.0.0-0.nightly.2025.09.19