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Swift analysis fails with Xcode 26.0 (works fine with Xcode 16) #3111

@maoyama

Description

@maoyama

When I specify Xcode 26.0 to build in my project, the following error occurs. ( In Xcode 16, it worked well with the same build script.

https://github.com/maoyama/Tempo/actions/runs/17705247368/job/50316169931

Encountered a fatal error while running "/Users/runner/hostedtoolcache/CodeQL/2.23.0/arm64/codeql/codeql database finalize --finalize-dataset --threads=3 --ram=6144 /Users/runner/work/_temp/codeql_databases/swift". Exit code was 32 and last log line was: CodeQL detected code written in Swift but this run didn't build any of it, or CodeQL could not process any of it. Ensure that you have provided manual build steps (see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages#about-specifying-build-steps-manually) for Swift between the 'init' and 'analyze' Actions, and check the workflow run logs (see https://docs.github.com/en/actions/monitoring-and-troubleshooting-workflows/using-workflow-run-logs). For more information, review our troubleshooting guide at https://gh.io/troubleshooting-code-scanning/no-source-code-seen-during-build . See the logs for more details.

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