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<body><span class="vcard"><a class="email" href="mailto:utatane.tea@gmail.com" title="Yusuke Suzuki <utatane.tea@gmail.com>"> <span class="fn">Yusuke Suzuki</span></a>
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<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - SEGFAULT in JSC::BytecodeIntrinsicNode"
href="https://bugs.webkit.org/show_bug.cgi?id=164120">bug 164120</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>INVALID
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - SEGFAULT in JSC::BytecodeIntrinsicNode"
href="https://bugs.webkit.org/show_bug.cgi?id=164120#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - SEGFAULT in JSC::BytecodeIntrinsicNode"
href="https://bugs.webkit.org/show_bug.cgi?id=164120">bug 164120</a>
from <span class="vcard"><a class="email" href="mailto:utatane.tea@gmail.com" title="Yusuke Suzuki <utatane.tea@gmail.com>"> <span class="fn">Yusuke Suzuki</span></a>
</span></b>
<pre>That's OK. `@tryGetById` does not accept the form `@tryGetById("value")`.
These ones are called "bytecode intrinsic". They are special hatch for JSC builtin functions. They have some privilege that is not exposed to user JS.
They are only allowed to be used in the JSC builtin code and they are not exposed in the user environment.
But actually, the above code works. This is because the function "createBuiltin" is a function for testing builtins in the JSC shell harness.
So it should not be exposed to users. And actually, it is only exposed in the JSC shell.</pre>
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