https://build.chromium.org/p/chromium.fyi/builders/CrWinClang64%28dbg%29/builds/4288/steps/compile/logs/stdio

FAILED: ninja -t msvc -e environment.x64 -- E:\b\build\goma/gomacc.exe ../../third_party/llvm-build/Release+Asserts/bin/clang-cl.exe /nologo /showIncludes /FC @obj/third_party/libjingle/libjingle_webrtc_common/webrtcmediaengine.obj.rsp /c ../../third_party/webrtc/media/engine/webrtcmediaengine.cc /Foobj/third_party/libjingle/libjingle_webrtc_common/webrtcmediaengine.obj /Fdobj/third_party/libjingle/libjingle_webrtc_common_cc.pdb
In file included from ../../third_party/webrtc/media/engine/webrtcmediaengine.cc:11:
In file included from ../../third_party\webrtc/media/engine/webrtcmediaengine.h:17:
In file included from ../../third_party\webrtc/config.h:19:
In file included from ../../third_party\webrtc/common.h:16:
../../third_party\webrtc/base/basictypes.h(18,10) :  error: #include resolved using non-portable Microsoft search rules as: ../../third_party\webrtc/config.h [-Werror,-Wmicrosoft-include]
#include "config.h"  // NOLINT
         ^


Due to  https://codereview.chromium.org/1808233002


I vaguely remember seeing this on a try job a last week during the short window that win_clang_x64_dbg was part of the default cq config...hm yes, see my comment on https://codereview.chromium.org/1808233002/