Commit 5eeefe4c authored by Committed by Marge BotBrowse files
Improve the very simple optimiser slightly
There was a missing case in the very simple optimiser, CoreOpt.simpleOptExpr, which led to Trac #13208 comment:2. In particular, in simple_app, if we find a Let, we should just float it outwards. Otherwise we leave behind some easy-to-reduce beta-redexes.