[Swift CI] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 16.04 (swift 5.1) #1550

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[FAILURE] oss-swift-5.1-incremental-RA-linux-ubuntu-16_04 [#1550]

Build URL:
https://ci.swift.org/job/oss-swift-5.1-incremental-RA-linux-ubuntu-16_04/1550/
Project:
oss-swift-5.1-incremental-RA-linux-ubuntu-16_04
Date of build:
Thu, 03 Oct 2019 12:21:17 -0500
Build duration:
46 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

Changes

• Commit 0618de3630c1afc4ae2280f3f1c38a6d42b04bbb by mgottesman:
  [simplify-cfg] Add option

  • edit: lib/SILOptimizer/Transforms/SimplifyCFG.cpp

• Commit fc95906ca1d890b7065142e5a38e41ed1dcdbfe5 by mgottesman:
  [simplify-cfg] Add a visitedBlocks set to hasSameUltimateSuccessor to

  • edit: test/SILOptimizer/simplify_switch_enum_objc.sil
  • edit: lib/SILOptimizer/Transforms/SimplifyCFG.cpp