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<base href="http://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Crash in CGRecordLayout involving virtual bases, virtual methods, bitfields and packing"
href="http://llvm.org/bugs/show_bug.cgi?id=18510">18510</a>
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<th>Summary</th>
<td>Crash in CGRecordLayout involving virtual bases, virtual methods, bitfields and packing
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>LLVM Codegen
</td>
</tr>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>david.majnemer@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>$ cat different.cpp
struct ClassName0 {
char : 3;
virtual void ClassName0Method() {}
};
struct ClassName7 : public ClassName0 {};
#pragma pack(push, 2)
struct ClassName9 : public ClassName7, public virtual ClassName0 {};
#pragma pack(pop)
ClassName9 x;
$ ~/llvm/build/bin/clang++ -cc1 -x c++ different.cpp -emit-llvm -S -o -
clang++: ~/llvm/src/tools/clang/lib/CodeGen/CGRecordLayoutBuilder.cpp:801:
bool <anonymous
namespace>::CGRecordLayoutBuilder::ComputeNonVirtualBaseType(const
clang::CXXRecordDecl *): Assertion `!Packed && "cannot layout even as
packed struct"' failed.</pre>
</div>
</p>
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