Make write+lock privatization read_global more precise using semi-distributive property
#1568
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…tributive property
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Actually, I'm not sure this is sound anymore, but I don't have examples either way. |
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This uses the following lattice property which is true in even non-distributive lattices:
I don't have an example program where this makes a difference, but according to lattice theory it can only be more precise (and use fewer operations!).