fixes #2070

copying.txt

@@ -1,7 +1,7 @@
 =====================================================
 Nim -- a Compiler for Nim. http://nim-lang.org/
 
-Copyright (C) 2006-2014 Andreas Rumpf. All rights reserved.
+Copyright (C) 2006-2015 Andreas Rumpf. All rights reserved.
  
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

tests/gc/growobjcrash.nim

@@ -0,0 +1,29 @@
+discard """
+  output: "works"
+"""
+
+import cgi, strtabs
+
+proc handleRequest(query: string): StringTableRef =
+  iterator foo(): StringTableRef {.closure.} =
+    var params = {:}.newStringTable()
+    for key, val in cgi.decodeData(query):
+      params[key] = val
+    yield params
+
+  let x = foo
+  result = x()
+
+const Limit = when compileOption("gc", "markAndSweep"): 5*1024*1024 else: 500_000
+
+proc main =
+  var counter = 0
+  for i in 0 .. 100_000:
+    for k, v in handleRequest("nick=Elina2&type=activate"):
+      inc counter
+      if counter mod 100 == 0:
+        if getOccupiedMem() > Limit:
+          quit "but now a leak"
+
+main()
+echo "works"

tests/testament/categories.nim

@@ -121,6 +121,7 @@ proc gcTests(r: var TResults, cat: Category, options: string) =
     testSpec r, makeTest("tests/gc" / filename, options &
                   " -d:release --gc:markAndSweep", cat, actionRun)
 
+  test "growobjcrash"
   test "gcbench"
   test "gcleak"
   test "gcleak2"