Language.Haskell.TH.pprLit hangs on rational literals too large for Double
Summary
As a consequence of !7151 (closed) (sorry!), the TH pretty-printer hangs when given a numeric literal that's too large to be represented as a Double
.
Steps to reproduce
$ ghci -package template-haskell
GHCi, version 9.6.2: https://www.haskell.org/ghc/ :? for help
ghci> :module Language.Haskell.TH
ghci> pprLit 0 (RationalL 1e310)
^C^C^C
Interrupted.
Expected behavior
ghci> pprLit 0 (RationalL 1e300)
10e299
Environment
- GHC version used: 9.6.2
Optional:
- Operating System: Linux
- System Architecture: x86_64