8.8.2 should state 8.4 as the minimum version for bootstrap at download page
Summary
https://www.haskell.org/ghc/download_ghc_8_8_2.html
At the bottom, 8.0 is stated as the minimum version for bootstrap
The source distribution needs an installed GHC (version 8.0 at least).
But code needs 8.4 at least
$ ./configure --prefix /opt/local/ghc8.8.2
checking for gfind... /opt/local/bin/gfind
checking for sort... /opt/local/bin/sort
checking for GHC Git commit id... given 86f4a56c8888d249194c38799eaec9484222fa47
checking for ghc... /opt/ghc8.2.2/bin/ghc
checking version of ghc... 8.2.2
configure: error: GHC version 8.4 or later is required to compile GHC.
Proposed improvements or changes
The source distribution needs an installed GHC (version 8.4 at least).
Environment
- GHC version used (if appropriate): 8.8.2