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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - clang returns 11 silently without any error"
href="https://bugs.llvm.org/show_bug.cgi?id=48177">48177</a>
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<th>Summary</th>
<td>clang returns 11 silently without any error
</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>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++17
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
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<th>Reporter</th>
<td>xw111luoye@gmail.com
</td>
</tr>
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<th>CC</th>
<td>blitzrakete@gmail.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=24160" name="attach_24160" title="Error output">attachment 24160</a> <a href="attachment.cgi?id=24160&action=edit" title="Error output">[details]</a></span>
Error output
It seems that the frontend hits Segmentation fault.
Reproducer, it is full app but if you pass the cmake step, compiling hits error
immediately. Needs MPI wrapper to compile
```
git clone -b update-multi --depth 1 <a href="https://github.com/ye-luo/qmcpack.git">https://github.com/ye-luo/qmcpack.git</a>
cd qmcpack/build
cmake -DCMAKE_C_COMPILER=mpicc -DCMAKE_CXX_COMPILER=mpicxx
-DQMC_CXX_STANDARD=17 -DBUILD_AFQMC=ON ..
cd src/AFQMC
make VERBOSE=1 AFQMCFactory.o
```
If one edits the compile line to -std=c++14, clang works.</pre>
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