carbon-language/carbon-lang v0.0.0-0.nightly.2025.10.28

Nightly build 2025.10.28

on GitHub

What's Changed

Toolchain and implementation changes 🛠️

• Add unit tagging to ExprRegionId by @dwblaikie in #6272
• Create a Call instruction directly when building a thunk call. by @zygoloid in #6276
• Unify "needs thunk" logic. by @zygoloid in #6277
• Add unit tagging to CustomLayoutId by @dwblaikie in #6271
• Rework handling of C++ references. by @zygoloid in #6268

Full Changelog: v0.0.0-0.nightly.2025.10.25...v0.0.0-0.nightly.2025.10.28