[Swift CI] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 16.04 (master) #13814

# [FAILURE] oss-swift-incremental-RA-linux-ubuntu-16_04 [#13814]

Build URL: https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16_04/13814/
Project: oss-swift-incremental-RA-linux-ubuntu-16_04
Date of build: Mon, 22 Jun 2020 05:39:20 -0500
Build duration: 1 hr 22 min

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

Changes- Commit 71e267d5b174613e80500b18cb4eb95bb8a93de1 by spestov:

GSB: Teach 'derived via concrete' computation about superclass

  • delete: validation-test/compiler_crashers_2/sr11108.swift
  • add: test/Generics/superclass_constraint_self_derived.swift
  • add: validation-test/compiler_crashers_2_fixed/sr11108.swift
  • edit: lib/AST/GenericSignatureBuilder.cpp
  • add: test/SILGen/class_conforms_with_default_implementation.swift