[LLVMbugs] [Bug 19285] New: virtual operator()(y&) overload hides inherited virtual operator()(x&) causes compilation failure

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=19285

            Bug ID: 19285
           Summary: virtual operator()(y&) overload  hides inherited
                    virtual operator()(x&) causes compilation failure
           Product: clang
           Version: 3.4
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: rju65 at terransystems.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Hi, I have reviewed the bug list and don't see an obvious match for my issue. 

I have a virtual interface (A) which defines;

virtual char operator()(x&)=0; // x is one of my classes

this interface is publicly inherited by another interface (B) which defines;

virtual char operator()(y&)=0; // y is a different class

When I compile this I get and error reporting no known conversion from x to y;
both implementations are defined in the implementing class.

If I add a duplicate definition of A's operator definition to the one in B's so
that B contains both operator definitions, the code compiles.

This is repeatable using my code. If you need an example I can create one.


Best regards
Ray
Terran Systems Limited

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