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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 --- - Clang For Windows With MSVC 2013 <thread> won't compile"
href="http://llvm.org/bugs/show_bug.cgi?id=22675">22675</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Clang For Windows With MSVC 2013 <thread> won't compile
</td>
</tr>
<tr>
<th>Product</th>
<td>clang
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Windows XP
</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>
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<th>Component</th>
<td>C++11
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>james.baker@bullochtech.com
</td>
</tr>
<tr>
<th>CC</th>
<td>dgregor@apple.com, llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>clang-cl won't compile anything that includes std::thread.
This code fails two different ways depending on if you use -D_HAS_EXCEPTIONS=0
or not.
// threadtest.cpp
#include <thread>
#include <stdio.h>
void threadDeleteObjectWorker(int i){
printf("%i\n", i);
}
int main(int argc, char ** argv){
std::thread t(threadDeleteObjectWorker, 3);
t.join();
return 0;
}
If you compile like this: clang-cl -D_HAS_EXCEPTIONS=0 /c threadtest.cpp -o
threadtest.obj
You get this:
In file included from threadtest.cpp:1:
In file included from C:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\INCLUDE\thread:16:
C:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\INCLUDE\concrt.h(4774,22) : error: use of undeclared identifier
'__uncaught_exception'; did you mean 'std::uncaught_exception'?
if (!__uncaught_exception())
^
C:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\INCLUDE\exception(311,44) : note: 'std::uncaught_exception' declared
here
_CRTIMP2_PURE bool __CLRCALL_PURE_OR_CDECL uncaught_exception(); //
handle uncaught exception
^
1 error generated.
If you compile like this: clang-cl /c threadtest.cpp -o threadtest.obj
You get this:
In file included from threadtest.cpp:1:
In file included from C:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\INCLUDE\thread:13:
In file included from C:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\INCLUDE\functional:6:
In file included from C:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\INCLUDE\xfunctional:7:
C:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\INCLUDE\xstring(2214,3) : error: cannot compile this try statement yet
_TRY_BEGIN
^~~~~~~~~~
C:\Program Files (x86)\Microsoft Visual Studio
12.0\VC\INCLUDE\xstddef(30,21) : note: expanded from macro '_TRY_BEGIN'
#define _TRY_BEGIN try {
^
1 error generated.
It compiles properly using cl.</pre>
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