Comment #5 on issue 1823 by [email protected]: Context leak caused by referenced from optimized code.
http://code.google.com/p/v8/issues/detail?id=1823
I made a flag to test whether this would solve the issue. If you use V8 bleeding edge version 10031 or later (not trunk) then there is a flag --nocollect_megamorphic_maps_from_stub_cache that hopefully fixes the leaking. If that works we are on the right track. If you don't want to switch to the bleeding edge branch you can get the patch from: http://codereview.chromium.org/8599006/
This might not work because we might also be collecting pointers to other contexts in monomorphic call sites, though that seems somewhat less likely.
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