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    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - clang-format consumes all available memory formatting Doug Lea`s malloc"
   href="https://bugs.llvm.org/show_bug.cgi?id=38727">38727</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>clang-format consumes all available memory formatting Doug Lea`s malloc
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>6.0
          </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>Formatter
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>vlad.bespalov@jetstreamsoft.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>djasper@google.com, klimek@google.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>clang version:
$ clang --version
clang version 6.0.1 (tags/RELEASE_601/final)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/clang/bin

source file : Doug Lea's malloc
<a href="ftp://g.oswego.edu/pub/misc/malloc.c">ftp://g.oswego.edu/pub/misc/malloc.c</a>

command line:
$ ls -hs
total 220K
220K malloc.c
$ ulimit -m -v
max memory size         (kbytes, -m) 4096000
virtual memory          (kbytes, -v) 4096000
$ clang-format malloc.c
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc
terminate called recursively
Aborted (core dumped)

If not constrained to 4 GB via ulimit, formatter claims all available memory
and my system becomes totally unusable.</pre>
        </div>
      </p>


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