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bors e055f87cdf Auto merge of #77597 - simonvandel:uninhabited-hashset, r=jonas-schievink 
perf: UninhabitedEnumBranching avoid n^2

Avoid n² complexity. This showed up in a profile for match-stress-enum that has 8192 variants

I have only profiled locally against `match-stress-enum`, so we should have it perf tested to make sure it does not regress other crates.
2020-10-07 23:44:57 +00:00
..
src Auto merge of #77597 - simonvandel:uninhabited-hashset, r=jonas-schievink 2020-10-07 23:44:57 +00:00
Cargo.toml Use tracing spans to trace the entire MIR interp stack 2020-09-28 20:07:57 +02:00