<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/127658>127658</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [clang-tidy] Invalid fixit from modernize-use-ranges for std::unique
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
      </td>
    </tr>

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

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

<pre>
    ~~~c++
#include <vector>
#include <algorithm>
#include <ranges>

bool f(std::vector<int>& v) {
    return std::unique(v.begin(), v.end()) == v.end();
    //return std::ranges::unique(v) == v.end(); // invalid
}
bool g(std::vector<int>& v) {
    return std::ranges::unique(v).empty(); // valid
}

int main() {
 std::vector<int> v{ 1, 1, 1 };
    return f(v);
}
~~~
https://godbolt.org/z/8ExKqeofq
`std::ranges::unique` returns a `std::ranges::subrange`.
</pre>
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