[Swift CI] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 16.04 (main) #16143

# [FAILURE] oss-swift-incremental-RA-linux-ubuntu-16_04 [#16143]

Build URL: https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16_04/16143/
Project: oss-swift-incremental-RA-linux-ubuntu-16_04
Date of build: Thu, 18 Mar 2021 02:42:41 -0500
Build duration: 53 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 289840b42d5e9c8833d9232c19c8d678213ae7bf by kenneth.c0:

Add test case for diagnostic 'because_rethrows_default_argument_throws'

  • edit: test/decl/func/rethrows.swift

  • Commit abab6b3332162b3bb07c06592538c1f70c10108b by z.zoelec2:

    [cxx-interop] Bail earlier when importing invalid records.

    • add: test/Interop/Cxx/class/invalid-nested-struct-module-interface.swift
    • add: test/Interop/Cxx/class/Inputs/invalid-nested-struct.h
    • edit: lib/ClangImporter/ImportDecl.cpp
    • edit: test/Interop/Cxx/class/Inputs/module.modulemap
    • edit: test/Interop/Cxx/class/type-classification-loadable-silgen.swift
    • edit: test/Interop/Cxx/class/type-classification-module-interface.swift
  • Commit b0472a872872c4027244a4a12ad4813f0e1397f1 by github:

    Revert "Disable tests on arm64e"

    • edit: test/DebugInfo/async-direct-arg.swift
    • edit: test/DebugInfo/async-args.swift
  • Commit 17e3ee7ccfbeb0290232fe54d9ecd37a7d4c7276 by spestov:

    GSB: Don't emit diagnostics with <

    • edit: lib/AST/GenericSignatureBuilder.cpp
  • Commit 568d99ffd17c6d2cd68e8e577ddadcd2d304c716 by spestov:

    Sema: Clean up @_specialize diagnostics

    • edit: include/swift/AST/DiagnosticsSema.def
    • edit: test/attr/attr_specialize.swift
    • edit: lib/Sema/TypeCheckAttr.cpp