JDevlieghere added inline comments.

================
Comment at: lldb/source/Expression/DWARFExpression.cpp:992
+    case DW_OP_regx:
+      dwarf4_location_description_kind = Register;
+      break;
----------------
Could you return the kind and do `LocationDescriptionKind 
dwarf4_location_description_kind = classifyLocationDescription`? That way you 
can make it a static instead of a lambda in a function that's already a 
hundreds of lines long. 


================
Comment at: lldb/source/Expression/DWARFExpression.cpp:1007
     const uint8_t op = opcodes.GetU8(&offset);
+    classifyLocationDescription(op);
 
----------------
That also makes it more explicit that this is updating the 
`dwarf4_location_description_kind`


================
Comment at: lldb/source/Expression/DWARFExpression.cpp:2636
+    switch (dwarf4_location_description_kind) {
+    case Empty: // FIXME: This would be suspicious. Add some error handling.
+      LLDB_LOGF(log, log_msg, "Empty");
----------------
lldb_assert?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D98996/new/

https://reviews.llvm.org/D98996

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