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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Generated COM code fails to compile with 9.0.0-RC1"
href="https://bugs.llvm.org/show_bug.cgi?id=42842">42842</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Generated COM code fails to compile with 9.0.0-RC1
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>9.0
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Windows NT
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>-New Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jvapen@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
</td>
</tr></table>
<p>
<div>
<pre>// C:\LLVM_9_0_0-RC1\bin\clang-cl.exe -ferror-limit=1 /nologo /c /EHsc
/std:c++17 -fms-compatibility-version=19.11 t.cpp
#include <comdef.h>
struct __declspec(uuid("99bca7bd-e8c4-4d5f-a0cf-6d907901ff07"))
ISAXEntityResolver;
_COM_SMARTPTR_TYPEDEF(ISAXEntityResolver, __uuidof(ISAXEntityResolver));
inline ISAXEntityResolverPtr getEntityResolver() {
struct ISAXEntityResolver * _result = 0;
return ISAXEntityResolverPtr(_result, false);
}
ERROR:
======
In file included from t.cpp:2:
In file included from C:\Vs2017\VC\Tools\MSVC\14.16.27023\include\comdef.h:467:
C:\Vs2017\VC\Tools\MSVC\14.16.27023\include\comip.h(174,16): error: conflicting
types for
'_com_ptr_t'
template<> _com_ptr_t(Interface* pInterface) throw()
^
t.cpp(6,30): note: in instantiation of template class
'_com_ptr_t<_com_IIID<ISAXEntityResolver,
&__uuidof(ISAXEntityResolver)> >' requested here
inline ISAXEntityResolverPtr getEntityResolver() {
^
C:\Vs2017\VC\Tools\MSVC\14.16.27023\include\comip.h(174,16): note: previous
declaration is
here
template<> _com_ptr_t(Interface* pInterface) throw()
^
NOTES:
======
For some reason, Clang is detecting a method with another definition which is
on the same line. As if it parses the header twice</pre>
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