Commit c77eecdc authored by Edward Z. Yang's avatar Edward Z. Yang

Upgrade Cabal submodule to latest HEAD, change to package key calculation.

One notable change is that the package key calculation algorithm in Cabal
has changed (from an undocumented format based on Show instances to a fully
specified format), so you will need to do a full rebuild.

I'd greatly prefer if this could be merged to 7.10.
Signed-off-by: default avatarEdward Z. Yang <>

Test Plan: validate

Reviewers: austin


GHC Trac Issues:
parent 1f159519
Subproject commit e4ea51c3156c27b7dec40cb2733b8bfe37bca6a1
Subproject commit 18c17cbad1e36275ca878cce89539cf4ffa1a6ff
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