Kotlin: Report CFG dead end consistency issues on ErrorExpr

java/ql/consistency-queries/cfgDeadEnds.ql

@@ -53,8 +53,6 @@ predicate shouldBeDeadEnd(ControlFlowNode n) {
   not exists(n.getFile().getRelativePath()) // TODO
   or
   n = any(ConstCase c).getValue(_) // TODO
-  or
-  n instanceof ErrorExpr // TODO
 }
 
 from ControlFlowNode n, string s

java/ql/test/kotlin/library-tests/exprs/CONSISTENCY/cfgDeadEnds.expected

@@ -1 +1,2 @@
+| exprs.kt:278:52:278:66 | <error expr> | ErrorExpr | unexpected dead end |
 | exprs.kt:278:52:278:66 | { ... } | BlockStmt | unexpected dead end |