[Issue 9258] New: opAssign with base class triggers "identity assignment operator overload" error

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9258

           Summary: opAssign with base class triggers "identity assignment
                    operator overload" error
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: siegelords_abode at yahoo.com


--- Comment #0 from siegelords_abode at yahoo.com 2013-01-02 11:16:22 PST ---
This code worked fine on 2.060, but is broken on 2.061:

class B { }

class A : B // test.d(3): Error: class test.A identity assignment operator
overload is illegal
{
    void opAssign(B b)
    {
    }
}

Firstly, the error line is wrong. Secondly, the assignment is not an identity
assignment, as this, without the overload, does not compile:

A a;
B b;
a = b;

I interpret identity assignment to mean strictly assignment of one type to the
same type.

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