:show bindings broken under -fexternal-interpreter

This is straight from GHC HEAD:

$ ./inplace/bin/ghc-stage2 --interactive -fexternal-interpreter
GHCi, version 8.1.20170123: http://www.haskell.org/ghc/  :? for help
Loaded GHCi configuration from /home/bnitka/.ghc/ghci.conf
package flags have changed, resetting and loading new packages...
Loaded GHCi configuration from /home/bnitka/.ghci
Prelude> let a = 1
Prelude> :show bindings
a ::
  Num p =>
  p = *** Exception: ghc-stage2: this operation requires -fno-external-interpreter
Prelude>

Trac metadata

Trac field	Value
Version	8.0.1
Type	Bug
TypeOfFailure	OtherFailure
Priority	low
Resolution	Unresolved
Component	GHCi
Test case
Differential revisions
BlockedBy
Related
Blocking
CC	niteria, simonmar
Operating system
Architecture