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<body><span class="vcard"><a class="email" href="mailto:msaboff@apple.com" title="Michael Saboff <msaboff@apple.com>"> <span class="fn">Michael Saboff</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - Crash in JSC::DFG::SpeculativeJIT::fillSpeculateInt52(JSC::DFG::Edge, JSC::DataFormat)"
href="https://bugs.webkit.org/show_bug.cgi?id=143645">bug 143645</a>
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<td>msaboff@apple.com
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Crash in JSC::DFG::SpeculativeJIT::fillSpeculateInt52(JSC::DFG::Edge, JSC::DataFormat)"
href="https://bugs.webkit.org/show_bug.cgi?id=143645#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Crash in JSC::DFG::SpeculativeJIT::fillSpeculateInt52(JSC::DFG::Edge, JSC::DataFormat)"
href="https://bugs.webkit.org/show_bug.cgi?id=143645">bug 143645</a>
from <span class="vcard"><a class="email" href="mailto:msaboff@apple.com" title="Michael Saboff <msaboff@apple.com>"> <span class="fn">Michael Saboff</span></a>
</span></b>
<pre>I suspect that this is fixed by the change to <<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - DFG register fillSpeculate*() functions should validate incoming spill format is compatible with requested fill format"
href="show_bug.cgi?id=143727">https://bugs.webkit.org/show_bug.cgi?id=143727</a>> - "DFG register fillSpeculate*() functions should validate incoming spill format is compatible with requested fill format" which was landed in change set r182827: <<a href="http://trac.webkit.org/changeset/182827">http://trac.webkit.org/changeset/182827</a>>.
It is hard to prove if we can't reproduce the crash.</pre>
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