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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 --- - Potential vtordisp bug"
href="http://llvm.org/bugs/show_bug.cgi?id=19407">19407</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Potential vtordisp bug
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>LLVM Codegen
</td>
</tr>
<tr>
<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>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>consider:
extern "C" int printf(const char *, ...);
struct A {};
struct B {};
struct C : A {
virtual void fun() {}
};
struct D : virtual B, virtual C {
virtual void fun() {}
D() {}
};
int main() { printf("sizeof(D): %Iu\n", sizeof(D)); }
32-bit clang/MSVC
--- different.cpp_clang 2014-04-11 15:57:50.482628043 -0700
+++ different.cpp_vs 2014-04-11 15:57:50.462627835 -0700
@@ -1 +1 @@
-sizeof(D): 16
+sizeof(D): 12</pre>
</div>
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