[Swift CI] Build Failure: OSS - Swift Package - Ubuntu 18.04 (master) #2237

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[FAILURE] oss-swift-package-linux-ubuntu-18_04 [#2237]

Build URL:
https://ci.swift.org/job/oss-swift-package-linux-ubuntu-18_04/2237/
Project:
oss-swift-package-linux-ubuntu-18_04
Date of build:
Mon, 09 Dec 2019 09:47:54 -0600
Build duration:
1 hr 30 min

Identified problems:

• Swift Compile Error: Swift compiler error
  • Indication 1
• Compile Error: This build failed because of a compile error. Below is a list of all errors in the build log:
  • Indication 1

Changes

• Commit a28854015bc06c980f9564827ae71aaa3df69992 by aschwaighofer:
  DynamicCasts: Use the lowered type to construct a SIL type

  • edit: test/SILOptimizer/constant_propagation.sil
  • edit: lib/SIL/DynamicCasts.cpp