destructors: we are cooking now

tests/destructor/tgcdestructors.nim

@@ -3,7 +3,7 @@ discard """
   output: '''hi
 ho
 ha
-7 1'''
+7 7'''
 """
 
 import allocators
@@ -75,7 +75,7 @@ iterator interpolatedFragments*(s: string): tuple[kind: InterpolatedKind,
       break
     i = j
 
-when true:
+proc other =
   let input = "$test{}  $this is ${an{  example}}  "
   let expected = @[(ikVar, "test"), (ikStr, "{}  "), (ikVar, "this"),
                   (ikStr, " is "), (ikExpr, "an{  example}"), (ikStr, "  ")]
@@ -84,6 +84,7 @@ when true:
     doAssert s == expected[i]
     inc i
 
+other()
 
 #echo s
 let (a, d) = allocCounters()