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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - DIBuilder::createLexicalBlock non-deterministic output"
href="http://llvm.org/bugs/show_bug.cgi?id=16195">16195</a>
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<th>Summary</th>
<td>DIBuilder::createLexicalBlock non-deterministic output
</td>
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<th>Product</th>
<td>libraries
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Core LLVM classes
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>clemahieu@gmail.com
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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</tr></table>
<p>
<div>
<pre>DIBuilder::createLexicalBlock in DIBuilder.cpp:1098
Given the same module compiled in separate LLVMContext instances,
DIBuilder::createLexicalBlock generates different output and debug information.
This makes regression testing for a front-end difficult since output changes
depending on how the LLVM library was used, even with unique contexts.
createLexicalBlock uses a static variable to generate a unique id:
static unsigned int unique_id = 0;
I recommend moving this static variable out of the function and in to the
LLVMContext.</pre>
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