Fix that stupid rootdir workaround since it's causing trouble
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DanielG commented
See vim-syntastic/syntastic#1576
ghc-mod since 5.4 needs to be run in the directory returned by ghc-mod root. This is an ugly woraround for a race condition in the code, we really should fix the cause instead.
We start generating the symbol table for find asyncrounously when running legacy-interactive most of the code is here: https://github.com/kazu-yamamoto/ghc-mod/blob/master/src/Misc.hs The race condition comes from the fact that we use runGhcModT twice: once in the main thread, once in the async symboldb thing.