<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/92188>92188</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            clang++-19: rejects-valid
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          egorpugin
      </td>
    </tr>
</table>

<pre>
    https://godbolt.org/z/E5xqebhfK

```
struct A {
    template <auto N>
    void operator+=(this auto &&obj, const char (&c)[N]) {
    }
    void operator+=(this auto &&obj, auto &&c) {
    }
};

int main() {
    A a;
    a += "123";
}
```

```
<source>:11:7: error: use of overloaded operator '+=' is ambiguous (with operand types 'A' and 'const char[4]')
 11 |     a += "123";
      |     ~ ^  ~~~~~
<source>:3:10: note: candidate function [with N = 4UL, obj:auto = A &]
    3 |     void operator+=(this auto &&obj, const char (&c)[N]) {
      | ^
<source>:5:10: note: candidate function [with obj:auto = A &, c:auto = const char (&)[4]]
    5 |     void operator+=(this auto &&obj, auto &&c) {
      |          ^
1 error generated.
```
</pre>
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