What's Changed

Toolchain and implementation changes :hammer_and_wrench:

• Add support for capturing console output to FileTest. by @jonmeow in https://github.com/carbon-language/carbon-lang/pull/4339
• Don't substitute into the targeted instructions of an associated constant. by @zygoloid in https://github.com/carbon-language/carbon-lang/pull/4342
• Fix invocation issues with clang runner by @jonmeow in https://github.com/carbon-language/carbon-lang/pull/4353
• Update LLVM and use a hermetic llvm-symbolizer by @jonmeow in https://github.com/carbon-language/carbon-lang/pull/4347
• Basic support for declaring generic impls. by @zygoloid in https://github.com/carbon-language/carbon-lang/pull/4336
• Replace llvm_symbolizer with a cc_env_data() array. by @jonmeow in https://github.com/carbon-language/carbon-lang/pull/4354
• Make ImplDecls evaluate to themselves. by @zygoloid in https://github.com/carbon-language/carbon-lang/pull/4352

Full Changelog: https://github.com/carbon-language/carbon-lang/compare/v0.0.0-0.nightly.2024.09.27...v0.0.0-0.nightly.2024.09.29