Mark some expressions after processing their components

when it's semantically correct

Expressions: calls, 'for' loops, elvis operators
It's significant for reporting 'unreachable code' correctly

compiler/testData/cfg/arrays/arrayAccessExpression.instructions

@@ -37,10 +37,11 @@ L0:
   2 mark({ ab.getArray()[1] })
     mark(ab.getArray()[1])
     mark(ab.getArray())
-    mark(getArray())
     r(ab) -> <v1>
+    mark(getArray())
     call(getArray, getArray|<v1>) -> <v2>
     r(1) -> <v3>
+    mark(ab.getArray()[1])
     call(ab.getArray()[1], get|<v2>, <v3>) -> <v4>
 L1:
   1 <END>                                             NEXT:[<SINK>]