*** Exception: foo
CallStack (from HasCallStack):
  error, called at <interactive>:2:1 in interactive:Ghci1
Stopped in <exception thrown>, <unknown>
_exception :: e = _
Stopped in <exception thrown>, <unknown>
_exception :: e = _
-1  : main (Test7.hs:2:18-28)
-2  : main (Test7.hs:2:8-29)
<end of history>
Logged breakpoint at Test7.hs:2:18-28
_result :: a
Logged breakpoint at Test7.hs:2:8-29
_result :: IO a
no more logged breakpoints
Logged breakpoint at Test7.hs:2:18-28
_result :: a
Stopped at <unknown>
_exception :: e
already at the beginning of the history
_exception = SomeException
               (ErrorCallWithLocation
                  "foo"
                  "CallStack (from HasCallStack):
  error, called at Test7.hs:2:18 in main:Main")
Ghci1._exception :: SomeException = SomeException
                                      (ErrorCallWithLocation
                                         "foo"
                                         "CallStack (from HasCallStack):
  error, called at Test7.hs:<line>:<column> in <package-id>:Main")
Ghci2._result :: a = _
Ghci3._result :: IO a = _
_result :: a = _
_exception :: SomeException = SomeException
                                (ErrorCallWithLocation
                                   "foo"
                                   "CallStack (from HasCallStack):
  error, called at Test7.hs:2:18 in main:Main")
*** Exception: foo
CallStack (from HasCallStack):
  error, called at Test7.hs:2:18 in main:Main
Stopped in <exception thrown>, <unknown>
_exception :: e = SomeException
                    (ErrorCallWithLocation
                       "foo"
                       "CallStack (from HasCallStack):
  error, called at Test7.hs:2:18 in main:Main")
Stopped in <exception thrown>, <unknown>
_exception :: e = SomeException
                    (ErrorCallWithLocation
                       "foo"
                       "CallStack (from HasCallStack):
  error, called at Test7.hs:2:18 in main:Main")
*** Exception: foo
CallStack (from HasCallStack):
  error, called at Test7.hs:2:18 in main:Main