[clang] [Clang][counted_by] Refactor __builtin_dynamic_object_size on FAMs (PR #122198)

[Bill Wendling via cfe-commits]

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@@ -1343,6 +1430,12 @@ CodeGenFunction::emitBuiltinObjectSize(const Expr *E, unsigned Type,
   assert(Ptr->getType()->isPointerTy() &&
          "Non-pointer passed to __builtin_object_size?");
 
+  if (IsDynamic)
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bwendling wrote:

At this point, we know that `EmittedE` has a value. See line 1429.

https://github.com/llvm/llvm-project/pull/122198