[swift-dev] CI failure: .../TestFoundation: undefined symbol: _T0ScN

[Slava Pestov]

It’s an incremental build issue. The bots don’t always rebuild Foundation, or something. I think we need to clean the workspace out.

Slava

> On May 13, 2017, at 12:13 AM, Boris Buegling via swift-dev <swift-dev at swift.org> wrote:
> 
> Hi everyone,
> 
> I am seeing a CI failure on llbuild for seemingly unrelated reasons and I am unsure how to deal with it:
> 
> + env LD_LIBRARY_PATH=//usr//lib/swift/:/home/buildnode/jenkins/workspace/swift-llbuild-PR-Linux-smoke-test/Ninja-ReleaseAssert/foundation-linux-x86_64/Foundation:/home/buildnode/jenkins/workspace/swift-llbuild-PR-Linux-smoke-test/Ninja-ReleaseAssert/xctest-linux-x86_64:/home/buildnode/jenkins/workspace/swift-llbuild-PR-Linux-smoke-test/Ninja-ReleaseAssert/libdispatch-linux-x86_64/src/.libs: /home/buildnode/jenkins/workspace/swift-llbuild-PR-Linux-smoke-test/Ninja-ReleaseAssert/foundation-linux-x86_64/TestFoundation/TestFoundation
> /home/buildnode/jenkins/workspace/swift-llbuild-PR-Linux-smoke-test/Ninja-ReleaseAssert/foundation-linux-x86_64/TestFoundation/TestFoundation: symbol lookup error: /home/buildnode/jenkins/workspace/swift-llbuild-PR-Linux-smoke-test/Ninja-ReleaseAssert/foundation-linux-x86_64/TestFoundation/TestFoundation: undefined symbol: _T0ScN
> 
> Happens when running Foundation tests on https://github.com/apple/swift-llbuild/pull/147
> 
> Log of the failure: https://ci.swift.org/job/swift-llbuild-PR-Linux-smoke-test/179/console
> 
> $ xcrun swift-demangle _T0ScN
> _T0ScN ---> type metadata for Swift.UnicodeScalar
> 
> Any recommendations or hints?
> 
> Thanks,
> Boris
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