Remove reference cycle breaking code. The GC now takes care of it.
diff --git a/Lib/test/test_generators.py b/Lib/test/test_generators.py
index 588f365..1b5dfb0 100644
--- a/Lib/test/test_generators.py
+++ b/Lib/test/test_generators.py
@@ -484,8 +484,6 @@
A->A B->G C->A D->G E->G F->A G->G H->G I->A J->G K->A L->A M->G
merged A into G
A->G B->G C->G D->G E->G F->G G->G H->G I->G J->G K->G L->G M->G
->>> for s in sets: # XXX memory leak without this
-... s.clear()
"""
# Fun tests (for sufficiently warped notions of "fun").
@@ -614,7 +612,7 @@
... yield i
Print as many of these as you like -- *this* implementation is memory-
-efficient. XXX Except that it leaks unless you clear the dict!
+efficient.
>>> m235 = LazyList(m235())
>>> for i in range(5):
@@ -625,8 +623,6 @@
[200, 216, 225, 240, 243, 250, 256, 270, 288, 300, 320, 324, 360, 375, 384]
[400, 405, 432, 450, 480, 486, 500, 512, 540, 576, 600, 625, 640, 648, 675]
->>> m235.clear() # XXX memory leak without this
-
Ye olde Fibonacci generator, LazyList style.
@@ -650,8 +646,6 @@
>>> fib = LazyList(fibgen(1, 2))
>>> firstn(iter(fib), 17)
[1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584]
-
->>> fib.clear() # XXX memory leak without this
"""
# syntax_tests mostly provokes SyntaxErrors. Also fiddling with #if 0