hazohelet added inline comments.

================
Comment at: clang/lib/AST/ExprConstant.cpp:7673
+        Info.FFDiag(Callee, diag::note_constexpr_null_callee)
+            << const_cast<Expr *>(Callee);
+        return false;
----------------
tbaeder wrote:
> Is the `const_cast` really necessary?
> Is the `const_cast` really necessary?
Without `const_cast`, it did not compile.
I searched the existing codebase to find this line 
https://github.com/llvm/llvm-project/blob/151d3b607e1e3256ed901e02b48b92e79a77021d/clang/lib/Sema/SemaConcept.cpp#L300
 and I did the same here.



Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D145793/new/

https://reviews.llvm.org/D145793

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