flatten_args wandered into deeper water than usual
Summary
GHC panics because of issue in title.
[11 of 12] Compiling Telomare.Possible ( src/Telomare/Possible.hs, /home/sfultong/code/stand-in-language/dist-newstyle/build/x86_64-linux/ghc-8.10.7/telomare-0.1.0.0/build/Telomare/Possible.o, /home/sfultong/code/stand-in-language/dist-newstyle/build/x86_64-linux/ghc-8.10.7/telomare-0.1.0.0/build/Telomare/Possible.dyn_o )
ghc: panic! (the 'impossible' happened)
(GHC version 8.10.7:
flatten_args wandered into deeper water than usual
Call stack:
CallStack (from HasCallStack):
callStackDoc, called at compiler/utils/Outputable.hs:1179:37 in ghc:Outputable
pprPanic, called at compiler/typecheck/TcFlatten.hs:1029:21 in ghc:TcFlatten
Steps to reproduce
Expected behavior
No GHC panic.
Environment
- GHC version used: 8.10.7
Optional:
- Operating System:
- System Architecture: