[ RUN      ] WidgetTest.WindowMouseModalityTest
=================================================================
==1776==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x07e0ce30 at pc 0x025e039e bp 0xdeadbeef sp 0x0021de20
READ of size 4 at 0x07e0ce30 thread T0
...
    #0 0x25e039d in views::ImageView::GetHorizontalAlignment C:\c\CrWinAsan\src\uiiews\controls\image_view.cc:176
    #1 0x24cd4bc in views::DialogDelegate::GetDialogWidgetInitParams C:\c\CrWinAsan\src\uiiews\window\dialog_delegate.cc:86
    #2 0x24cd263 in views::DialogDelegate::CreateDialogWidget C:\c\CrWinAsan\src\uiiews\window\dialog_delegate.cc:43
    #3 0x155bfa0 in views::test::WidgetTest_WindowMouseModalityTest_Test::TestBody+0xa0a (e:\swarm_slave\w\irt2ubhf\out\Releaseiews_unittests.exe+0xa0bfa0)
...

0x07e0ce30 is located 0 bytes to the right of 240-byte region [0x07e0cd40,0x07e0ce30)
allocated by thread T0 here:
    #0 0x42f1b08 in malloc c:\c\crwinasan\src	hird_party\llvm\projects\compiler-rt\libsansan_malloc_win.cc:65
    #1 0x430d3c5 in operator new f:\ddctools\crtcstartup\src\heap\new_scalar.cpp:19
    #2 0x155beb1 in views::test::WidgetTest_WindowMouseModalityTest_Test::TestBody C:\c\CrWinAsan\src\uiiews\widget\desktop_aura\desktop_native_widget_aura_unittest.cc:562
    #3 0x22cf67f in testing::internal::HandleExceptionsInMethodIfSupported<testing::Test,void> C:\c\CrWinAsan\src\testing\gtest\src\gtest.cc:2458
    #4 0x22cf267 in testing::Test::Run C:\c\CrWinAsan\src\testing\gtest\src\gtest.cc:2474
...

I think this is a clang bug because dialog_delegate.cc:86 is calling DialogDelegate::GetModalType(), not ImageView::GetHorizontalAlignment().