lebedev.ri added inline comments.
================
Comment at: lib/Sema/SemaExpr.cpp:12093
+ break;
+ }
+
----------------
rjmccall wrote:
> I think doing this here can result in double-warning if the overload resolves
> to a builtin operator. Now, it might not actually be possible for that to
> combine with the requirements for self-assignment, but still, I think the
> right place to diagnose this for C++ is the same place we call
> DiagnoseSelfMove in CreateOverloadedBinOp.
>
> Can CheckIdentityFieldAssignment just be integrated with
> DiagnoseSelfAssignment so that callers don't need to do call both?
> I think the right place to diagnose this for C++ is the same place we call
> DiagnoseSelfMove in CreateOverloadedBinOp.
```
switch (Opc) {
case BO_Assign:
case BO_DivAssign:
case BO_SubAssign:
case BO_AndAssign:
case BO_OrAssign:
case BO_XorAssign:
DiagnoseSelfAssignment(Args[0], Args[1], OpLoc);
CheckIdentityFieldAssignment(Args[0], Args[1], OpLoc);
break;
default:
break;
}
// Check for a self move.
if (Op == OO_Equal)
DiagnoseSelfMove(Args[0], Args[1], OpLoc);
```
^ That does not appear to work. Pretty much all these tests start to fail.
Repository:
rC Clang
https://reviews.llvm.org/D44883
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