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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Can't compile Clang on windows using Visual Studio 2015 preview"
href="https://llvm.org/bugs/show_bug.cgi?id=23311">23311</a>
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<th>Summary</th>
<td>Can't compile Clang on windows using Visual Studio 2015 preview
</td>
</tr>
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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>Windows NT
</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>libclang
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
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<th>Reporter</th>
<td>ernest.galbrun@gmail.com
</td>
</tr>
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<th>CC</th>
<td>klimek@google.com, llvmbugs@cs.uiuc.edu
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>When trying to compile clang with Visual Studio 2015 preview, I get the
following error when compiling RecordLayoutBuilder.cpp (in clangAST) :
RecordLayoutBuilder.cpp(2981) error C2678: binary '==': no operator found which
takes a left-hand operand of type
'llvm::DenseMapIterator<KeyT,ValueT,KeyInfoT,BucketT,false>' (or there is no
acceptable conversion) (...) while trying to match the argument list
'(llvm::DenseMapIterator<KeyT,ValueT,KeyInfoT,BucketT,false>,
llvm::DenseMapIterator<KeyT,ValueT,KeyInfoT,BucketT,false>)'
The compiler seem to complain because the egality-comparison operator is only
defined for RHS maps of type
llvm::DenseMapIterator<KeyT,ValueT,KeyInfoT,BucketT,true>
I have solved the problem by replacing the comparison operator in DenseMap.h,
lines 1039-1054 so that they can take input of any DenseMapIterator, not only
ConstIterator.</pre>
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