[Issue 23313] New: Accessing TLS is apparently fine from shared context

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23313

          Issue ID: 23313
           Summary: Accessing TLS is apparently fine from shared context
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: mail at skoppe.eu

dg1 fails because `i` is not shared.

You would expect dg2 to fail as well. Somehow because `j` is an TLS variable
however, it is suddenly fine.

```
void main() @safe {
    int i = 1;
    static int j = 2;
    auto dg1 = () shared @safe => i; // error
    auto dg2 = () shared @safe => j; // no error??
}
```

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