[Swift CI] Build Failure: 2. Swift Source Compatibility Suite (main) #5689

# [FAILURE] swift-main-source-compat-suite [#5689]

Build URL: https://ci.swift.org/job/swift-main-source-compat-suite/5689/
Project: swift-main-source-compat-suite
Date of build: Thu, 21 Jan 2021 19:50:36 -0600
Build duration: 13 hr

Changes- Commit 4c32c3a6a508b63ce07ec88325f25ff7e0fd7de3 by k:

Remove unused frontend option

  • edit: include/swift/Option/FrontendOptions.td

  • Commit 30ac6e6440eff781296e29829da92df24690fcab by aschwaighofer:

    Constant fold known availability checks

    • add: test/SILOptimizer/constant_propagation_availability.swift
    • edit: lib/SILOptimizer/Utils/ConstantFolding.cpp
  • Commit df432689292598643fab0a9d13a07944edb69f4e by pyaskevich:

    [CSBindings] Inference cannot fail

    • edit: include/swift/Sema/CSBindings.h
    • edit: lib/Sema/CSBindings.cpp
  • Commit ebf4886fb1b9fa2ff0f5982b2104d8fe8c970a97 by atrick:

    [OSSA] Convert access-enforcement-opts tests.

    • add: test/SILOptimizer/access_enforcement_opts_ossa.sil
    • add: test/SILOptimizer/access_enforcement_fastpath_ossa.sil
  • Commit 454a4452bd5ba3239e25bb17e510c6e1b1d8eb92 by atrick:

    Enable AccessEnforcementOpts with OSSA

    • edit: lib/SILOptimizer/Transforms/AccessEnforcementOpts.cpp
    • edit: lib/SIL/IR/SILInstruction.cpp
    • edit: lib/SILOptimizer/PassManager/PassPipeline.cpp
  • Commit f1c38a7d644bb8ba1c8ef9c8a110412375cd850f by github:

    NFC: fix typo in versions.py

    • edit: utils/build_swift/build_swift/versions.py
  • Commit e508b1ab1481555dc863cd42026d9c697ade4c1e by compnerd:

    Platform: extend the D3D v10 module

    • edit: stdlib/public/Platform/winsdk.modulemap
  • Commit f2760bbea30a719895e6742b2e29203e424c2847 by meghanavgupta:

    Enable DCE on OSSA

    • edit: test/SILOptimizer/dead_code_elimination.sil
    • edit: lib/SILOptimizer/Transforms/DeadCodeElimination.cpp
    • add: test/SILOptimizer/dead_code_elimination_ossa.sil
    • add: test/SILOptimizer/dead_code_elimination_nontrivial_ossa.sil
  • Commit 969ca0c1b2aaeca80b6f02e63a04138a1a8c8056 by rishizaki:

    [ASTPrinter] Print 'async' as a keyword

    • add: test/SourceKit/CursorInfo/cursor_info_concurrency.swift
    • edit: lib/AST/ASTPrinter.cpp
    • edit: lib/AST/TypeRepr.cpp