Merge pull request diffblue#567 from diffblue/bugfix/trace-with-missing-base

Don't add bases that aren't defined in the trace file

Author: NathanJPhillips

trace-transformer/src/ParseLogFile.ts

@@ -79,6 +79,7 @@ function parseType(logType: log.Type): type.Type {
         });
       // Get bases
       let bases = logType.namedSub.bases === undefined ? [] : logType.namedSub.bases.sub
+        .filter((base) => type.Struct.has(base.namedSub.type.namedSub.identifier.id))
         .map((base) => type.Struct.get(base.namedSub.type.namedSub.identifier.id));
       const baseMembers = members.get("base");
       const extraBases = baseMembers === undefined ? []