<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/64349>64349</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            I used the following script - this is the stock script I have for building clang - as far as I can recall I did not make changes to it; it was a while ago; (I welcome improvements to the script you may have - in case you do):
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          shankarswamy
      </td>
    </tr>
</table>

<pre>
     I used the following script - this is the stock script I have for building clang - as far as I can recall I did not make changes to it; it was a while ago; (I welcome improvements to the script you may have - in case you do):
```
touch ../buildTimes.txt
echo "cmake times: " >> ../buildTimes.txt && echo "" >> ../buildTimes.txt
date >> ../buildTimes.txt && echo "" >> ../buildTimes.txt
cmake -DLLVM_ENABLE_PROJECTS="clang;libcxx;libcxxabi" \
 -DCMAKE_INSTALL_PREFIX=/opt/llvmclang/clang16.0.1\
 -DLLVM_PARALLEL_LINK_JOBS=1 \
   -DCMAKE_BUILD_TYPE=Release \
 -DCMAKE_C_COMPILER=clang \
   -DCMAKE_CXX_COMPILER=clang++ \
 -DLLVM_ENABLE_FFI=ON \
   -DBUILD_SHARED_LIBS=ON \
 -DLLVM_ENABLE_RTTI=ON \
   -DLLVM_TARGETS_TO_BUILD="host" \
 -DLLVM_BUILD_TESTS=ON \
   -G "Unix Makefiles" \
   ../llvm
echo "" >> ../buildTimes.txt
echo "compile times: " >> ../buildTimes.txt && echo "" >> ../buildTimes.txt
date >> ../buildTimes.txt && make && date >> ../buildTimes.txt
echo "" >> ../buildTimes.txt
echo >> "make check-cxx times:" >> ../buildTimes.txt && echo "" >> ../buildTimes.txt
date >> ../buildTimes.txt && make check-cxx && date >> ../buildTimes.txt
echo "" >> ../buildTimes.txt
echo "make check-clang time: " >> ../buildTimes.txt && echo "" >> ../buildTimes.txt
time >> ../buildTimes.txt && make check-clang && time >> ../buildTimes.txt
echo "" >> ../buildTimes.txt

make check-clang
sudo make install
make check-cxx
sudo make install-cxx install-cxxabi
```
I don not know how they do it over at wandbox. I get the same with my Ubuntu system; but it runs fine on 14.0.6 on my system as well as on wandbox.com.  **The problem is with 16.0.1 only**, both at Wandbox and on our systems.

_Originally posted by @shankarswamy in https://github.com/llvm/llvm-project/issues/64348#issuecomment-1662678377_
 
</pre>
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