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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - far too many identifiers are stored in an empty module"
href="http://llvm.org/bugs/show_bug.cgi?id=21397">21397</a>
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<th>Summary</th>
<td>far too many identifiers are stored in an empty module
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Modules
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>richard-llvm@metafoo.co.uk
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<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>An empty module's pcm file is surprisingly big (~100K). This is mostly because
we store every single predefined identifier into it (including all builtins,
keywords, and so on).
We should only store identifiers that have changed since their initial state
into the pcm file. (We should be able to generalize the 'ChangedSinceLoad' flag
to cover this.)</pre>
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