[Swift CI] Build Failure: 2. Swift Source Compatibility Suite (release/5.4) #27

[swift-ci]

# [FAILURE] swift-5.4-source-compat-suite [#27]

Build URL: https://ci.swift.org/job/swift-5.4-source-compat-suite/27/
Project: swift-5.4-source-compat-suite
Date of build: Tue, 02 Feb 2021 19:24:46 -0600
Build duration: 8 hr 2 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 782f6933f8960c297bc29b6f60a87f0d6ed6b136 by tkientzle:

[5.4] Restore behavior of Optional -> AnyHashable casts

• edit: test/Casting/Casts.swift
• edit: stdlib/public/runtime/DynamicCast.cpp