C++ style enums 4/N: Errata

Summary: This converts usages of YGErrata to Errata

Differential Revision: D49270354

fbshipit-source-id: 70e61b04543a2431766dfe1e51b0731e8e753188

enums.py

@@ -164,6 +164,9 @@ for name, values in sorted(ENUMS.items()):
             ordinal = value[0] if isinstance(value, tuple) else value
             f.write(f"  {ordinal} = YG{name}{ordinal},\n")
         f.write("};\n\n")
+        f.write(
+            f"YG_DEFINE_ENUM_FLAG_OPERATORS({name})\n\n" if name in BITSET_ENUMS else ""
+        )
 
         f.write("template <>\n")
         f.write(f"constexpr inline int32_t ordinalCount<{name}>() {{\n")