Memoize types in is_representable to avoid exponential worst-case
#42751
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I could have made representability a cached query, but that would have been added complexity for not much benefit - outside of the exponential worst-case, this pass is fast enough already. Fixes rust-lang#42747.
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@bors r+ |
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📌 Commit ae8545b has been approved by |
arielb1
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☀️ Test successful - status-appveyor, status-travis |
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I could have made representability a cached query, but that would have
been added complexity for not much benefit - outside of the exponential
worst-case, this pass is fast enough already.
Fixes #42747.
r? @eddyb