intVal works now on enum field symbols (#11403)

* intVal works now on enum field symbols

* disable flakey titerators test

tests/coroutines/titerators.nim

@@ -1,7 +1,10 @@
 discard """
   target: "c"
+disabled: true
 """
 
+# Timers are always flakey on the testing servers.
+
 import coro
 include system/timers
 

tests/macros/tmacro1.nim

@@ -93,3 +93,14 @@ static:
     quit("may not be evaluated")
 
   assert( (myLit or bottom()) == myLit )
+
+type
+  Fruit = enum
+    apple
+    banana
+    orange
+
+macro foo(x: typed) =
+  doAssert Fruit(x.intVal) == banana
+
+foo(banana)