https://issues.dlang.org/show_bug.cgi?id=14620

          Issue ID: 14620
           Summary: make core.Thread.Fiber more @nogc
           Product: D
           Version: unspecified
          Hardware: x86
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: druntime
          Assignee: nobody@puremagic.com
          Reporter: spam@extrawurst.org

At least the core.thread.Fiber methods `state` and `getThis` can be @nogc as far as i can see.

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