[Swift CI] Build Failure: 0. OSS - Swift Incremental RA - Ubuntu 16.04 (main) #15496

# [FAILURE] oss-swift-incremental-RA-linux-ubuntu-16_04 [#15496]

Build URL: https://ci.swift.org/job/oss-swift-incremental-RA-linux-ubuntu-16_04/15496/
Project: oss-swift-incremental-RA-linux-ubuntu-16_04
Date of build: Tue, 12 Jan 2021 17:21:05 -0600
Build duration: 1 hr 15 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 85f5dbbfbd1d3a0dfb85d3c033490a8dbb66ee4f by github:

Skip running cmark tests on macOS

  • edit: utils/build-presets.ini

  • Commit ba78bef85bf4e3d48e4580c7c4dec27b2e7ac965 by varun_gandhi:

    [test] Add test isolating incorrect for-each SILGen (SR-8688).

    • edit: test/SILGen/foreach.swift
  • Commit 02c4ad3850c58931d4b1ecc0bd8810da588b09bd by varun_gandhi:

    [SILGen] Branch on result of next() before conversion.

    • edit: lib/SILGen/SILGenStmt.cpp
    • edit: test/Profiler/pgo_foreach.swift
    • edit: test/SILGen/foreach.swift
    • edit: lib/Sema/CSApply.cpp
  • Commit 1c80f432998abb9c76a831c050a82b7c4bf278bb by xi_ge:

    ASTPrinter: check if owning clang module is valid before querying the top-level module

    • edit: lib/AST/ASTPrinter.cpp