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Ian Lynagh authored
We'll need to change this if we ever use threads in GHC, but for now it drops mkSplitUniqSupply from 35% time down below 0.1% when compiling J.hs from #1136.
19b0b165
We'll need to change this if we ever use threads in GHC, but for now it drops mkSplitUniqSupply from 35% time down below 0.1% when compiling J.hs from #1136.