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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 breaks array initializer in unexpected places"
   href="https://bugs.llvm.org/show_bug.cgi?id=32969">32969</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>clang-format breaks array initializer in unexpected places
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>unspecified
          </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>enhancement
          </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>lukasza@chromium.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>djasper@google.com, klimek@google.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Given the following (manually formatted) snippet...

bool IsBlacklistedInstanceMethodName(llvm::StringRef name) {
  static const char* kBlacklistedNames[] = {
      // We should avoid renaming the method names listed below, because
      // 1. They are used in templated code (e.g. in <algorithms>)
      // 2. They (begin+end) are used in range-based for syntax sugar
      //    - for (auto x : foo) { ... }  // <- foo.begin() will be called.
      "begin", "end", "rbegin", "rend", "lock", "unlock", "try_lock",

      // <a href="https://crbug.com/672902">https://crbug.com/672902</a>: Should not rewrite names that mimick methods
      // from std library.
      "at", "back", "clear" "empty", "erase", "find", "front", "insert",
      "length", "size", "swap",
  };
  for (const auto& b : kBlacklistedNames) {
    if (name == b)
      return true;
  }
  return false;
}

clang-format reformats it to:

bool IsBlacklistedInstanceMethodName(llvm::StringRef name) {
  static const char* kBlacklistedNames[] = {
      // We should avoid renaming the method names listed below, because
      // 1. They are used in templated code (e.g. in <algorithms>)
      // 2. They (begin+end) are used in range-based for syntax sugar
      //    - for (auto x : foo) { ... }  // <- foo.begin() will be called.
      "begin", "end", "rbegin", "rend", "lock", "unlock", "try_lock",

      // <a href="https://crbug.com/672902">https://crbug.com/672902</a>: Should not rewrite names that mimick methods
      // from std library.
      "at", "back",
      "clear"
      "empty",
      "erase", "find", "front", "insert", "length", "size", "swap",
  };
  for (const auto& b : kBlacklistedNames) {
    if (name == b)
      return true;
  }
  return false;
}

I am rather surprised that 1) any reformatting is needed at all, 2) that
results take more lines than the original formatting, 3) that the line breaks
seem randomly placed (e.g. *why* after "back", and "clear" and "empty", but not
after "at" or "erase").</pre>
        </div>
      </p>


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