<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/101346>101346</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Questionable MSVC compatibility break after we always defining begin symbol for a section
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            mc,
            platform:windows
      </td>
    </tr>

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

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

<pre>
    ```
void bar();

#pragma alloc_text("bar", bar)

void bar() {} 
```

**Clang** after https://github.com/llvm/llvm-project/pull/96459
```
clang --target=x86_64-pc-windows-msvc 

error: symbol 'bar' is already defined
```
(passed in 18.1 release)

**MSVC**

```
bar SEGMENT
bar     PROC
        ret     0
bar     ENDP
bar ENDS
```

https://godbolt.org/z/crEzMzzqj

I am not sure whether putting a function is a section with same name is ill-formed. **GCC** also reports an error at assemble stage

```
__attribute__ ((section ("bar"))) void bar() {} 
```
```
Error: symbol `bar' is already defined
```

@MaskRay @aengelke 
</pre>
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