FSI: improve thread-safety #18152
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FSI: improve thread-safety #18152
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psfinaki
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majocha
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psfinaki
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Dec 18, 2024
This was referenced Jan 8, 2025
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Description
See https://dev.azure.com/dnceng-public/public/_build/results?buildId=896555&view=ms.vss-test-web.build-test-results-tab&runId=23516108&resultId=104252&paneView=debug
Similar errors may be observed in other test cases in
ComponentTests.Scriptingwhen "run until failure" in parallel.FsiHelpused non thread-safeDictionaryfor caching, resulting in intermittent test failures.The above problems affect mostly the test suite but can theoretically show up IRL when more than one fsi sessions are created and used concurrently.
This PR attempts to improve it. Verified locally by running some iterations of relevant tests. Let's see if it breaks anything else.