[Swift CI] Build Failure: 2. Swift Source Compatibility Suite (main) (Debug) #3693

# [FAILURE] swift-main-source-compat-suite-debug [#3693]

Build URL: https://ci.swift.org/job/swift-main-source-compat-suite-debug/3693/
Project: swift-main-source-compat-suite-debug
Date of build: Sat, 05 Dec 2020 22:21:02 -0600
Build duration: 9 hr 19 min

Changes- Commit 3ac7dbf7bba87a3ee85f0258e0ce1ad6af9c30d0 by z.zoelec2:

[gardening] Remove uses of "importDeclCached" and cleanup "VisitEnumConstantDecl".

  • edit: lib/ClangImporter/ImportDecl.cpp

  • Commit a53b1e4f3f09e45c1a1f742c31f0884b50714877 by fred.kl:

    [Sema] Always look through optionals for unresolved member lookup

    • add: test/expr/delayed-ident/optional_overload.swift
    • edit: lib/Sema/CSSimplify.cpp
    • edit: lib/Sema/CSRanking.cpp
    • edit: lib/Sema/ConstraintSystem.cpp
    • edit: include/swift/Sema/ConstraintSystem.h
  • Commit 6b0f5da00140d1914e1c569fcb7436b43e5bed92 by fred.kl:

    [Unit tests] Add unit tests for optional lookup behavior

    • edit: unittests/Sema/SemaFixture.h
    • add: unittests/Sema/UnresolvedMemberLookupTests.cpp
    • edit: unittests/Sema/SemaFixture.cpp
    • edit: unittests/Sema/CMakeLists.txt