[Issue 17449] [DIP1000] crash due to covariant conversion of scope delegate to delegate

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=17449

--- Comment #1 from Rainer Schuetze <r.sagitario at gmx.de> ---
Reduced test:

void main()
{
    void delegate() dg;
    void savedg(void delegate() h) { dg = h; }
    void foo(int x) { savedg({ assert(x == 42); }); }
    foo(42);
    dg();
}

Assertion failure with -dip1000, fine without.

It is also ok if dg is made global, so maybe escape analysis fails for local
functions only.

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