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      <base href="https://bugs.llvm.org/">
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - null pointer call lib/Bitcode/Writer/BitcodeWriter.cpp in LLVM::BugPoint/named-md.ll (runtime error)"
   href="https://bugs.llvm.org/show_bug.cgi?id=33198">33198</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>null pointer call lib/Bitcode/Writer/BitcodeWriter.cpp in LLVM::BugPoint/named-md.ll (runtime error)
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>new-bugs
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </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>new bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>matthias.krueger@famsik.de
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>llvm @ f1e232d9b0afea4224c5cf2e8c0259594237f28f /
git-svn-id: <a href="https://llvm.org/svn/llvm-project/llvm/trunk@304080">https://llvm.org/svn/llvm-project/llvm/trunk@304080</a>
91177308-0d34-0410-b5e6-96231b3b80d8

This was the result of doing a stage2 asan+ubsan instrumented check-all run.

build setup was like this:

cmake ../llvm -G "Ninja" \
        -DCMAKE_BUILD_TYPE=Release \
        -DLLVM_BINUTILS_INCDIR=/usr/include \
        -DCMAKE_C_FLAGS="-march=native -Og  -g" \
        -DCMAKE_CXX_FLAGS="-march=native -Og  -g" \
        -DLLVM_PARALLEL_LINK_JOBS=1 \
        -DLLVM_OPTIMIZED_TABLEGEN=1 \
        -DLLVM_TARGETS_TO_BUILD="X86" \
        -DCMAKE_AR="${rootDir}/stage_1/build/bin/llvm-ar" \
        -DCMAKE_RANLIB="${rootDir}/stage_1/build/bin/llvm-ranlib" \
        -DLLVM_USE_LINKER="${rootDir}/stage_1/build/bin/ld.lld"  \
        -DLLVM_USE_SANITIZER="Address;Undefined" \
        -DLLVM_PARALLEL_LINK_JOBS=1 \
        -DLLVM_ENABLE_EXPENSIVE_CHECKS=1 

LLVM::BugPoint/named-md.ll failed due to 

llvm/lib/Bitcode/Writer/BitcodeWriter.cpp:3830:16: runtime error: member call
on null pointer of type 'llvm::Module'




Test output:


********************
FAIL: LLVM :: BugPoint/named-md.ll (15254 of 34661)
******************** TEST 'LLVM :: BugPoint/named-md.ll' FAILED
********************
Script:
--
/home/matthias/LLVM/LLVM_san/stage_2/objects/./bin/bugpoint -load
/home/matthias/LLVM/LLVM_san/stage_2/objects/./lib/BugpointPasses.so
/home/matthias/LLVM/LLVM_san/stage_2/llvm/test/BugPoint/named-md.ll
-output-prefix
/home/matthias/LLVM/LLVM_san/stage_2/objects/test/BugPoint/Output/named-md.ll.tmp
-bugpoint-crash-too-many-cus -silence-passes -disable-strip-debuginfo >
/dev/null
/home/matthias/LLVM/LLVM_san/stage_2/objects/./bin/llvm-dis
/home/matthias/LLVM/LLVM_san/stage_2/objects/test/BugPoint/Output/named-md.ll.tmp-reduced-simplified.bc
-o - | /home/matthias/LLVM/LLVM_san/stage_2/objects/./bin/FileCheck
/home/matthias/LLVM/LLVM_san/stage_2/llvm/test/BugPoint/named-md.ll
--
Exit Code: 1

Command Output (stderr):
--
Final cleanups failed.  Sorry. :(  Please report a bug!
/home/matthias/LLVM/LLVM_san/stage_2/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp:3830:16:
runtime error: member call on null pointer of type 'llvm::Module'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior
/home/matthias/LLVM/LLVM_san/stage_2/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp:3830:16
in 

--</pre>
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