<html>
    <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 - expected ';' after expression"
   href="https://bugs.llvm.org/show_bug.cgi?id=38282">38282</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>expected ';' after expression
          </td>
        </tr>

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

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>C++
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>zhonghao@pku.org.cn
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>dgregor@apple.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>My command line is clang++ -std=c++17 code0.cpp

The code is as follow:

template<typename... Args>
void spurious(Args... args)
{
    (... + args).member;
}

int main()
{
}

The error message is:

code0.cpp:4:14: error: expected ';' after expression
 (... + args).member;
             ^
             ;
code0.cpp:4:14: error: expected expression
2 errors generated.

Another similar code sample is as follow:

template <typename... Args>
int
foo (Args... args)
{
 return (... + args).member;
}

struct S { int member; } s = { 0 };

int
main ()
{
 return foo (s);
}

Again, clang++ rejects it, but g++ accept it.

Are the above two code samples legal code?</pre>
        </div>
      </p>


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