fixes #404

tests/vm/tcompiletimetable.nim

@@ -0,0 +1,29 @@
+discard """
+  msg: '''2
+3
+4:2
+  '''
+"""
+
+# bug #404
+
+import macros, tables
+
+var ZOOT{.compileTime.} = initTable[int, int](2)
+var iii {.compiletime.} = 1
+
+macro x:stmt=
+  zoot[iii] = iii*2
+  inc iii
+  echo iii
+
+x
+x
+
+
+macro tupleUnpack: stmt =
+  var (y,z) = (4, 2)
+  echo y, ":", z
+
+tupleUnpack
+