[Swift CI] Build Failure: OSS - Swift Package - Ubuntu 16.04 (release/5.3) #467

[swift-ci]

# [FAILURE] oss-swift-5.3-package-linux-ubuntu-16_04 [#467]

Build URL: https://ci.swift.org/job/oss-swift-5.3-package-linux-ubuntu-16_04/467/
Project: oss-swift-5.3-package-linux-ubuntu-16_04
Date of build: Wed, 05 Aug 2020 20:15:30 -0500
Build duration: 1 hr 56 min

Identified problems:- Compile Error: This build failed because of a compile error. Below is a list of all errors in the build log:

• Indication 1
• Swift Compile Error: Swift compiler error
  • Indication 1

Changes- Commit 77549ae089063934dc21cda607ff739387f62171 by arphaman:

Revert "macOS 11 support: add a temporary macOS 10.16 -> macOS 11 triple

• edit: llvm/lib/Support/Triple.cpp
• edit: llvm/unittests/ADT/TripleTest.cpp