[Issue 12016] New: implicit immutable upcast becomes null in CTFE

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=12016

           Summary: implicit immutable upcast becomes null in CTFE
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: CTFE
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: thecybershadow at gmail.com


--- Comment #0 from Vladimir Panteleev <thecybershadow at gmail.com> 2014-01-28 08:33:46 EET ---
/////////////////////////////////
class Base { }

class Sub : Base { }

int f(immutable Base c)
{
    assert(c);
    return 1;
}

enum i = f(new immutable Sub);
/////////////////////////////////

The assert fails in DMD git but not 2.064.2.

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