[Swift CI] Build Failure: OSS - Swift Package - OS X (release/5.3) #224

# [FAILURE] oss-swift-5.3-package-osx [#224]

Build URL: https://ci.swift.org/job/oss-swift-5.3-package-osx/224/
Project: oss-swift-5.3-package-osx
Date of build: Fri, 05 Jun 2020 16:06:03 -0500
Build duration: 52 min

Identified problems:- Sandbox issue: Known sandbox issue

Changes- Commit e68261a637d8d413d1e14ac7e2584a333d9e82a2 by mishal_shah:

Re-download the toolchain for swift-driver CI

  • edit: jobs/pull-request/pr-swift-driver.sh

  • Commit a73611e22eb5402ab351e75e991b47c7e3393ee4 by pyaskevich:

    [CSGen] Allow is patterns to infer type from enclosing context

    • edit: lib/Sema/CSGen.cpp
    • edit: test/Constraints/patterns.swift