Track type signature change of lookupModuleInAllPackages

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
If GhcProfiled, also build Haddock profiled.

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

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
Update to attoparsec-0.12.1.1

There seems to be memory and speed improvement.
Fix forgotten src
Bump down the version for master to 2.14.4
Revert "Track type signature change of lookupModuleInAllPackages"

This reverts commit d59fec2c9551b5662a3507c0011e32a09a9c118f.
Revert "Track changes for module reexports."

This reverts commit b99b57c0df072d12b67816b45eca2a03cb1da96d.
Revert "Track GHC PackageId to PackageKey renaming."

This reverts commit 8ac42d3327473939c013551750425cac191ff0fd.
Revert "Adapt to new definition of HsDecls.TyFamEqn"

This reverts commit cb96b4f1ed0462b4a394b9fda6612c3bea9886bd.
Revert "Propagate overloading-mode for instance declarations in haddock (#9242)"

This reverts commit 8d20ca8d5a9bee73252ff2035ec45f9c03d0820c.
Revert "Disambiguate ‘die’ in test runners."

This reverts commit dba02d6df32534aac5d257f2d28596238d248942.
Revert "Replace local `die` by new `System.Exit.die`"

This reverts commit 08aa509ebac58bfb202ea79c7c41291ec280a1c5.
Merge branch 'reverts'

This reverts any changes that were made to have Haddock compile with
7.9. When 7.10 release comes, we can simply re-apply all the patches and
any patches that occur on ghc-head branch from now on.

This allows us to build master with 7.8.3
Test cases