[Webkit-unassigned] [Bug 188008] Crash under PlatformPopupMenuData::encode when interacting with a select menu that has variable fonts

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=188008

--- Comment #8 from Myles C. Maxfield <mmaxfield at apple.com> ---
A debug build of webkit shows:

  * frame #0: 0x0000000510e05950 JavaScriptCore`::WTFCrash() at Assertions.cpp:267
    frame #1: 0x0000000100ec0f5b WebKit`WTFCrashWithInfo((null)=430, (null)="/Users/mmaxfield/src/WebKit/OpenSource/Source/WebKit/Shared/cf/ArgumentCodersCF.cpp", (null)="void IPC::encode(IPC::Encoder &, CFDictionaryRef)", (null)=182) at Assertions.h:551
    frame #2: 0x0000000100ec4c6a WebKit`IPC::encode(encoder=0x0000000517441500, dictionary=0x00007f88d43020a0) at ArgumentCodersCF.cpp:430
    frame #3: 0x0000000100ec419a WebKit`IPC::encode(encoder=0x0000000517441500, typeRef=0x00007f88d43020a0) at ArgumentCodersCF.cpp:167
    frame #4: 0x0000000100ec4df3 WebKit`IPC::encode(encoder=0x0000000517441500, dictionary=0x00007f88d41087c0) at ArgumentCodersCF.cpp:438
    frame #5: 0x00000001013c2914 WebKit`WebKit::FontInfo::encode(this=0x00007ffeeed4d9c0, encoder=0x0000000517441500) const at FontInfo.cpp:42
    frame #6: 0x00000001013d2ebd WebKit`IPC::ArgumentCoder<WebKit::FontInfo>::encode(encoder=0x0000000517441500, t=0x00007ffeeed4d9c0) at ArgumentCoder.h:90
    frame #7: 0x00000001013d2e95 WebKit`void IPC::Encoder::encode<WebKit::FontInfo const&, (void*)0>(this=0x0000000517441500, t=0x00007ffeeed4d9c0) at Encoder.h:71
    frame #8: 0x00000001013c6737 WebKit`IPC::Encoder& IPC::Encoder::operator<<<WebKit::FontInfo const&, (void*)0>(WebKit::FontInfo const&&&)(this=0x0000000517441500, t=0x00007ffeeed4d9c0) at Encoder.h:84
    frame #9: 0x00000001013c66b1 WebKit`WebKit::PlatformPopupMenuData::encode(this=0x00007ffeeed4d9c0, encoder=0x0000000517441500) const at PlatformPopupMenuData.cpp:36

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