[Swift CI] Build Failure: OSS - Swift Package - OS X (release/5.3) #320

# [FAILURE] oss-swift-5.3-package-osx [#320]

Build URL: https://ci.swift.org/job/oss-swift-5.3-package-osx/320/
Project: oss-swift-5.3-package-osx
Date of build: Wed, 24 Jun 2020 18:34:51 -0500
Build duration: 4 hr 47 min

Identified problems:- Delete directory failed: A script tried to delete a directory with rm and it failed

Changes- Commit fad167d2769ec822550a0f812f0f62b99b0ebbe1 by aprantl:

Add a missing nullptr check.

  • edit: lldb/test/API/lang/swift/variables/optionals/TestSwiftOptionals.py
  • edit: lldb/source/Plugins/Language/Swift/SwiftOptional.cpp