carbon-language/carbon-lang v0.0.0-0.nightly.2025.09.15

Nightly build 2025.09.15

on GitHub

What's Changed

Proposals accepted and merged 📜

• Replace impl fn with override fn by @elkalt in #6008

Toolchain and implementation changes 🛠️

• C++ inteop: Set type source info for a generated C++ thunk function by @bricknerb in #6049
• Add an EnumMaskBase type by @jonmeow in #6053
• Some more edits to EnumBase and EnumMaskBase by @jonmeow in #6054

Documentation changes 📝

• Remove logging prints from advent example. by @zygoloid in #6057

Infrastructure changes 🏗️

• Disable clang-tidy action in favor of clangd-tidy by @jonmeow in #6037

Full Changelog: v0.0.0-0.nightly.2025.09.12...v0.0.0-0.nightly.2025.09.15