[ASTImporter] Set MustBuildLookupTable on PrimaryContext
[ASTImporter] Set MustBuildLookupTable on PrimaryContext

Summary: SetMustBuildLookupTable() must always be called on a primary context.

Reviewers: labath, shafik, a.sidorin

Subscribers: rnkovacs, dkrupp, Szelethus, gamesh411

Differential Revision: https://reviews.llvm.org/D54863

git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@347575 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb