[Issue 9735] New: Casting delegates to void* should be illegal

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9735

           Summary: Casting delegates to void* should be illegal
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: accepts-invalid
          Severity: minor
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: code at klickverbot.at


--- Comment #0 from David Nadlinger <code at klickverbot.at> 2013-03-16 03:30:03 PDT ---
As per http://forum.dlang.org/post/kibnaskimiqnmzziegjo@forum.dlang.org, the
following snippet should not compile:

---
void* delegateToPtr(void delegate() dg) {
    return cast(void*)dg;
}
---

DMD currently returns the delegate context pointer.

As I couldn't find any justification for this in the spec, I marked the issue
as an »accepts-invalid« bug, but feel free to downgrade it to an enhancement
request.

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