Rafael Espindola b22b91c3e4 Correctly compute linkage of decls forward declared extern C.
This fixes a crash in

namespace {
  struct X {};
}
extern "C" X test2_b;
X test2_b

before we would assign different linkages to each of the test2_b decls.

llvm-svn: 176869
2013-03-12 15:22:39 +00:00
2013-03-12 02:40:05 +00:00
2013-02-15 15:48:49 +00:00
2013-03-12 15:18:14 +00:00
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