[Haskell-cafe] Link error

[Alexander Altman]

This is actually nothing at all to do with formatting; instead it’s what’s known as Z-encoding:  see https://ghc.haskell.org/trac/ghc/wiki/Commentary/Compiler/SymbolNames for details.

> >
> EmbedTree_zdfLiftEntryzuzdclift_closure
> 
> 
> I've seen something like this before -- I think the 'zd' and 'zu' in there
> are supposed to be formatting tokens, %zd and %zu, for architecture-aware
> data sizing. I ran into this while building the Haskell GTK bindings on
> Windows, and IIRC it was caused by GHC 7.8 bundling an older GCC.
>