<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/83433>83433</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [clang-tidy] False positive bugprone-implicit-widening-of-multiplication-result when multiplying literals
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clang-tidy
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          chrchr-github
      </td>
    </tr>
</table>

<pre>
    ~~~c++
long long f() {
    return 1 * 2 * 3LL;
}
~~~
~~~
<source>:2:12: warning: performing an implicit widening conversion to type 'long long' of a multiplication performed in type 'int' [bugprone-implicit-widening-of-multiplication-result]
    2 |     return 1 * 2 * 3LL;
      |            ^
<source>:2:12: note: make conversion explicit to silence this warning
    1 | long long f() {
    2 | return 1 * 2 * 3LL;
      |            ^~~~~
      | static_cast<long long>( )
<source>:2:12: note: perform multiplication in a wider type
    2 |     return 1 * 2 * 3LL;
      |            ^
 |            static_cast<long long>( )
~~~
Clearly there is no danger of overflow here. Also, the suggested fix of adding a `static_cast` on a literal is rather silly.
https://godbolt.org/z/vjhzEqMKc
</pre>
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