[LLVMbugs] [Bug 23450] New: Clang claims one overrider is ambiguous with itself

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=23450

            Bug ID: 23450
           Summary: Clang claims one overrider is ambiguous with itself
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: david.majnemer at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

consider:
struct A {
  virtual A *f();
};
struct B : virtual A {
  virtual B *f();
};
struct C : virtual B {
};
struct D : C, B {} d;

we emit:

error: virtual function 'A::f' has more than one final overrider in 'D'
note: final overrider of 'A::f' in 'B'
note: final overrider of 'A::f' in 'B'

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