Fix bug in `AssignmentEvaluator` where NotOptimizedExpr would not (#466)

* Add unittest to check that the `Assignment` class can evaluate
expressions containing a `NotOptimizedExpr`.

* Fix the `AssignmentTest.FoldNotOptimized` unit test by
teaching the `ExprEvaluator` to fold `NotOptimizedExpr` nodes.

1 files changed, 1 insertions, 0 deletions

diff --git a/include/klee/util/ExprEvaluator.h b/include/klee/util/ExprEvaluator.h
index 6b67a1cf..313ac0a5 100644
--- a/include/klee/util/ExprEvaluator.h
+++ b/include/klee/util/ExprEvaluator.h
@@ -25,6 +25,7 @@ namespace klee {
     Action visitSDiv(const SDivExpr &e);
     Action visitURem(const URemExpr &e);
     Action visitSRem(const SRemExpr &e);
+    Action visitExprPost(const Expr& e);
       
   public:
     ExprEvaluator() {}