Match vtables with virtual inheritance (#717)

* Match vtables with virtual inheritance

* Simplify vtable name check

* Thunk alert

tools/vtable/vtable.py

@@ -89,6 +89,21 @@ def main():
 
         print_summary(vtable_count, problem_count)
 
+        # Now compare adjuster thunk functions, if there are any.
+        # These matches are generated by the compare engine.
+        # They should always match 100%. If not, there is a problem
+        # with the inheritance or an overriden function.
+        for fun_match in engine.get_functions():
+            if "`vtordisp" not in fun_match.name:
+                continue
+
+            diff = engine.compare_address(fun_match.orig_addr)
+            if diff.ratio < 1.0:
+                problem_count += 1
+                print(
+                    f"Problem with adjuster thunk {fun_match.name} (0x{fun_match.orig_addr:x} / 0x{fun_match.recomp_addr:x})"
+                )
+
     return 1 if problem_count > 0 else 0