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# [FAILURE] oss-swift-5.4-package-linux-ubuntu-18_04 [#178]

Build URL: https://ci.swift.org/job/oss-swift-5.4-package-linux-ubuntu-18_04/178/
Project: oss-swift-5.4-package-linux-ubuntu-18_04
Date of build: Mon, 15 Feb 2021 17:14:57 -0600
Build duration: 1 hr 12 min

Changes- Commit dbf1aa4bf8db69592945724774fa9c983eec12d7 by eeckstein:

SILCombine: don't create a strong_retain/strong_release with an Optional

  • edit: lib/SILOptimizer/Analysis/SimplifyInstruction.cpp

  • edit: test/SILOptimizer/sil_combine.sil

  • Commit 718fa3068c2296ef5a3c0c866d9ba32e71280b88 by mikeash:

    [Stdlib] Fix _swift_modifyAtWritableKeyPath_impl to check for ReferenceWritableKeyPaths.

    • edit: test/stdlib/KeyPath.swift
    • edit: stdlib/public/core/KeyPath.swift

  • Commit 0af41828d40071fa5c9ebf6a763d7b216c9e6fca by spestov:

    GSB: An unresolved DependentMemberType might resolve to a concrete TypeAliasDecl with a dependent underlying type

    • edit: lib/AST/GenericSignatureBuilder.cpp
    • add: validation-test/compiler_crashers_2_fixed/sr11639.swift