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Summary: This will allow to request the creation of a forward delacred variable at is point of use (for imported declarations, this will be DwarfDebug::constructImportedEntityDIE) rather than having to put the forward decl in a retention list. Note that getOrCreateGlobalVariable returns the actual definition DIE when the routine creates a declaration and a definition DIE. If you agree this is the right behavior, then I'll have a followup patch that registers the definition in the DIE map instead of the declaration as it is today (this 'breaks' only one test, where we test that the imported entity is the declaration). I'm not sure what's best here, but it's easy enough for a consumer to follow the DW_AT_specification link to get to the declaration, whereas it takes more work to find the actual definition from a declaration DIE. Reviewers: echristo, dblaikie, aprantl Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D5381 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218126 91177308-0d34-0410-b5e6-96231b3b80d8
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