[erlang-questions] Deforesting tuple updates
Thu Feb 22 15:46:01 CET 2007
> you are likely to end up with some pointers from the old generation into
> the new generation, and this breaks the main invariant that the GC is
> based on. The result will be an emulator crash.
That's only if you put a pointer into a tuple, right? If the VM
verified new value was a fixnum or atom, then destructive updates
should be okay (after the compiler verifies that the array isn't
shared, as Joel originally mentioned).
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