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authorEdward Z. Yang <ezyang@cs.stanford.edu>2015-10-27 14:47:33 -0700
committerEdward Z. Yang <ezyang@cs.stanford.edu>2015-10-30 15:14:05 -0700
commit39b71e81ec1044518f065d0055676d713521e483 (patch)
tree2ebf64b72c4f81138a07199571b21bd3ec6dd7c5 /rts/win32/OSMem.c
parent91c6b1f54aea658b0056caec45655475897f1972 (diff)
downloadhaskell-39b71e81ec1044518f065d0055676d713521e483.tar.gz
Reimplement shadowing on a per database basis.
Summary: This commit reimplements shadowing on package databases by doing the shadowing calculation on a per-database basis: specifically, if a later package database shadows a package from the earlier databases, we first remove that package (and its transitive dependencies) before merging the databases together. This should also fix bootstrapping GHC HEAD with HEAD. Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu> Test Plan: validate Reviewers: ggreif, bgamari, austin Subscribers: thomie Differential Revision: https://phabricator.haskell.org/D1385
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