56447d738b
Encode constraints that hold at all points as logical edges in location-sensitive polonius Currently, with the full setup in #134980 (but is from #134268), the polonius location-sensitive analysis converts `Locations::All` typeck constraints as edges at all points in the CFG. This was temporary. There's a FIXME about that already, and this PR implements it: we now use the constraints that hold at all points during traversal instead of eagerly materializing them as physical edges. Another easy one `@jackh726.` This fixes the slowness that was happening on the big CFG from the `saturating-float-casts` test (because of its 12M materialized edges) without, AFAICT, simply moving this overhead to traversal: materializing the logical edges is done on-demand. r? `@jackh726` (no rush either) |
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