Minor fix to the VM and updated closures test

src/backend/vm.nim

@@ -1025,7 +1025,7 @@ proc run*(self: PeonVM, chunk: Chunk) =
     # for one GC in this VM :(
     when defined(gcOrc):
         GC_disableOrc()
-    when not defined(gcArc):
+    when not defined(gcArc) and not defined(gcOrc):
         GC_disable()
         GC_disableMarkAndSweep()
     try:
@@ -1039,7 +1039,7 @@ proc run*(self: PeonVM, chunk: Chunk) =
     # but *just in case*
     when defined(gcOrc):
         GC_enable_Orc()
-    when not defined(gcArc):
+    when not defined(gcArc) and not defined(gcOrc):
         GC_enable()
         GC_enableMarkAndSweep()
 

tests/closures.pn

@@ -15,5 +15,6 @@ fn makeClosure(n: int): fn: fn: int {
 
 var closure = makeClosure(38);
 var inner = closure();
-print(inner());    # 38!
-
+print(inner());    # 38
+print(inner());    # 38
+print(makeClosure(420)()());  # 420