Link to Builder :
https://uberchromegw.corp.google.com/i/official.desktop.continuous/builders/win%20trunk/builds/101281

Link to Error :
https://logs.chromium.org/logs/chrome/bb/official.desktop.continuous/win_trunk/101281/+/recipes/steps/compile/0/stdout


Error :
FAILED: obj/third_party/blink/renderer/core/style/rendering/computed_style.obj 
../../third_party/llvm-build/Release+Asserts/bin/clang-cl.exe /nologo /showIncludes  -imsvc..\..\third_party\depot_tools\win_toolchain\vs_files\818a152b3f1da991c1725d85be19a0f27af6bab4\win_sdk\Include\10.0.17763.0\um -imsvc..\..\third_party\depot_tools\win_toolchain\vs_files\818a152b3f1da991c1725d85be19a0f27af6bab4\win_sdk\Include\10.0.17763.0\shared -imsvc..\..\third_party\depot_tools\win_toolchain\vs_files\818a152b3f1da991c1725d85be19a0f27af6bab4\win_sdk\Include\10.0.17763.0\winrt -imsvc..\..\third_party\depot_tools\win_toolchain\vs_files\818a152b3f1da991c1725d85be19a0f27af6bab4\win_sdk\Include\10.0.17763.0\ucrt -imsvc..\..\third_party\depot_tools\win_toolchain\vs_files\818a152b3f1da991c1725d85be19a0f27af6bab4\VC\Tools\MSVC\14.16.27023\include -imsvc..\..\third_party\depot_tools\win_toolchain\vs_files\818a152b3f1da991c1725d85be19a0f27af6bab4\VC\Tools\MSVC\14.16.27023\atlmfc\include -DUSE_AURA=1 -DNO_TCMALLOC -DFULL_SAFE_BROWSING -DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL 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-Igen/third_party/webrtc -I../../third_party/abseil-cpp -I../../skia/config -I../../skia/ext -I../../third_party/skia/include/c -I../../third_party/skia/include/config -I../../third_party/skia/include/core -I../../third_party/skia/include/docs -I../../third_party/skia/include/effects -I../../third_party/skia/include/encode -I../../third_party/skia/include/gpu -I../../third_party/skia/include/pathops -I../../third_party/skia/include/ports -I../../third_party/skia/include/utils -I../../third_party/skia/include/codec -I../../third_party/skia/src/gpu -I../../third_party/skia/src/sksl -I../../third_party/skia/modules/skottie/include -I../../third_party/angle/include -I../../third_party/angle/src/common/third_party/base -Igen/angle -I../../v8/include -Igen/v8/include -I../../third_party/libwebm/source -I../../third_party/leveldatabase -I../../third_party/leveldatabase/src -I../../third_party/leveldatabase/src/include -I../../third_party/blink/renderer/platform/wtf/os-win32 -I../../third_party/libjpeg_turbo -I../../third_party/iccjpeg -I../../third_party/libpng -I../../third_party/zlib -I../../third_party/ots/include -I../../v8/include -Igen/v8/include -I../../third_party/libxml/src/include -I../../third_party/libxml/win32/include -I../../third_party/libxslt/src -I../../third_party/snappy/src -I../../third_party/snappy/win32 /utf-8 /X -fcolor-diagnostics -fmerge-all-constants -Xclang -mllvm -Xclang -instcombine-lower-dbg-declare=0 -no-canonical-prefixes -fcomplete-member-pointers /Gy /FS /bigobj /d2FastFail /Zc:sizedDealloc- -fmsc-version=1911 -m64 /Brepro /W4 -Wimplicit-fallthrough -Wthread-safety /WX /wd4091 /wd4127 /wd4251 /wd4275 /wd4312 /wd4324 /wd4351 /wd4355 /wd4503 /wd4589 /wd4611 /wd4100 /wd4121 /wd4244 /wd4505 /wd4510 /wd4512 /wd4610 /wd4838 /wd4995 /wd4996 /wd4456 /wd4457 /wd4458 /wd4459 /wd4200 /wd4201 /wd4204 /wd4221 /wd4245 /wd4267 /wd4305 /wd4389 /wd4702 /wd4701 /wd4703 /wd4661 /wd4706 /wd4715 -Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing -Wno-unneeded-internal-declaration -Wno-undefined-var-template -Wno-nonportable-include-path -Wno-ignored-pragma-optimize /MT -Xclang -add-plugin -Xclang find-bad-constructs -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -Wexit-time-destructors /wd4305 /wd4324 /wd4714 /wd4800 /wd4996 -Xclang -add-plugin -Xclang blink-gc-plugin -Wglobal-constructors /O2 /Ob2 /Oy- /Zc:inline /Gw /Z7 -fno-standalone-debug -Wno-inconsistent-missing-override -Wconversion -Wno-float-conversion -Wno-sign-conversion -Wno-implicit-float-conversion -Wno-implicit-int-conversion -Wno-shorten-64-to-32 /wd4344 /wd4706 -DLIBXML_STATIC= /TP /wd4577 /GR- /c ../../third_party/blink/renderer/core/style/computed_style.cc /Foobj/third_party/blink/renderer/core/style/rendering/computed_style.obj /Fd"obj/third_party/blink/renderer/core/style/rendering_cc.pdb"
In file included from ../../third_party/blink/renderer/core/style/computed_style.cc:74:
../..\third_party/blink/renderer/platform/wtf/size_assertions.h(18,5):  error: static_assert failed due to requirement '104 == 96' "Class should stay small"
    static_assert(ActualSize == ExpectedSize, "Class should stay small");
    ^             ~~~~~~~~~~~~~~~~~~~~~~~~~~
../..\third_party/blink/renderer/platform/wtf/size_assertions.h(21,29):  note: in instantiation of template class 'WTF::assert_size<blink::ComputedStyle, blink::SameSizeAsComputedStyle>::assertSizeEqual<104, 96>' requested here
  static const bool value = assertSizeEqual<sizeof(T), sizeof(U)>::kInnerValue;
                            ^
../../third_party/blink/renderer/core/style/computed_style.cc(102,1):  note: in instantiation of template class 'WTF::assert_size<blink::ComputedStyle, blink::SameSizeAsComputedStyle>' requested here
ASSERT_SIZE(ComputedStyle, SameSizeAsComputedStyle);
^
../..\third_party/blink/renderer/platform/wtf/size_assertions.h(27,22):  note: expanded from macro 'ASSERT_SIZE'
  static_assert(WTF::assert_size<className, sameSizeAsClassName>::value, "");


Suspecting Guess Cl : https://chromium.googlesource.com/chromium/src/+/a07642661ef7ff08c156e90394504a3a40afc9ea