python
diff --git a/‎Include/internal/pycore_opcode_metadata.h
Lines changed: 29 additions & 0 deletions b/‎Include/internal/pycore_opcode_metadata.h
Lines changed: 29 additions & 0 deletions
diff --git a/‎Tools/cases_generator/opcode_metadata_generator.py
Lines changed: 7 additions & 0 deletions b/‎Tools/cases_generator/opcode_metadata_generator.py
Lines changed: 7 additions & 0 deletions
@@ -157,6 +157,13 @@ def generate_deopt_table(analysis: Analysis, out: CWriter) -> None:
         if inst.family is not None:
             deopt = inst.family.name
         deopts.append((inst.name, deopt))
+    defined = set(analysis.opmap.values())
+    for i in range(256):
+        if i not in defined:
+            deopts.append((f'{i}', f'{i}'))
+
+    assert len(deopts) == 256
+    assert len(set(x[0] for x in deopts)) == 256
     for name, deopt in sorted(deopts):
         out.emit(f"[{name}] = {deopt},\n")
     out.emit("};\n\n")