https://issues.dlang.org/show_bug.cgi?id=23861

          Issue ID: 23861
           Summary: Compiler segmentation fault with ref and alias this
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody@puremagic.com
          Reporter: zach-dmd@cs.stanford.edu

Attempting to compile the following code with DMD v2.103.0 causes a segmentation fault in DMD:

```
Foo global;

struct Foo {
    ref Foo get() {
        return global;
    }
    alias get this;
}

void main() {
    Foo g;
    g = 3;
}
```

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