`CS0177` is not reported on method with unassigned `out` parameter when calling `extern` local function

[just-ero]

Full issue information + repro project:
https://github.com/just-ero/roslyn-issues-repros/tree/main/5.0.0/004_AssignOutParameter_ExternLocalFunction

Version

Note

Roslyn: 5.0.0-1.25361.2 (fdd628a)
.NET SDK: 10.0.100-preview.6.25358.103

Visual Studio Code: 1.102.1
C# Extension: 2.86.19
C# Dev Kit Extension: 1.40.25

Steps to Reproduce

1. Add the following code wherever syntactically applicable:

   class C
   {
       void M(out int i)
       {
           f();
   
           static extern void f();
       }
   }

Expected Behavior

CS0177 is reported on M.

Actual Behavior

It is not.