carbon-language/carbon-lang v0.0.0-0.nightly.2026.01.14

Nightly build 2026.01.14

on GitHub

What's Changed

Toolchain and implementation changes 🛠️

• Switch install to be based on the busybox root by @chandlerc in #6579
• Remove some uses of ReturnTypeInfo by @geoffromer in #6577
• Add Call param patterns to Function by @geoffromer in #6586
• Give internal linkage to global init function. by @zygoloid in #6591
• Make IdTag typesafe by @danakj in #6574
• Perform Clang IRGen during check by @dwblaikie in #6569

Infrastructure changes 🏗️

• Reduce libc++ hardening mode from debug to extensive in -c dbg. by @zygoloid in #6589

Full Changelog: v0.0.0-0.nightly.2026.01.13...v0.0.0-0.nightly.2026.01.14