* Addressing review comment (partially) - add a comment on the

  `MeasurementsType` in QIR conversion pass.

Signed-off-by: Pradnya Khalate <pkhalate@nvidia.com>

Author: khalatepradnya

lib/Optimizer/CodeGen/ConvertToQIRAPI.cpp

@@ -136,6 +136,9 @@ struct QIRAPITypeConverter : public TypeConverter {
     addConversion(
         [&](quake::MeasureType ty) { return getResultType(ty.getContext()); });
     addConversion([&](quake::MeasurementsType ty) {
+      // `MeasurementsType` should be eliminated before codegen.
+      // This fallback uses an opaque pointer to avoid crashing if
+      // the type leaks through unexpectedly.
       return LLVM::LLVMPointerType::get(ty.getContext());
     });
     addConversion([&](quake::StruqType ty) { return convertStruqType(ty); });