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2011-06-22Issue warning if weak_import attribute is added to an alreadyFariborz Jahanian
declared variable and ignore it. // rdar://9538608 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133654 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-20llvm-gcc treats a tentative definition with a previousFariborz Jahanian
(or follow up) extern declaration with weak_import as an actual definition. make clang follows this behavior. // rdar://9538608 llvm-gcc treats an extern declaration with weak_import git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133450 91177308-0d34-0410-b5e6-96231b3b80d8