Update T4891, T8639_api to follow 73c08ab10 (GHCi naming changes)

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
Add .gitignore for autogenerated test files.

I used this shell command to automatically generate the lists:

for i in `git ls-files -o --exclude-standard --directory`; do echo "`basename $i`" >> "`dirname "$i"`/.gitignore"; done

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
Fix bitrotted GHC API test T6145.

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
Add missing stderr file for tcrun045.

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
s/implict/implicit/i

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
Refresh recomp006 error message.

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
Remove obsolete -fno-warn-amp from spec001

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>