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Author SHA1 Message Date
Tom Roeder ed0e88c31a This patch fixes LTO's RecordStreamer so that it records symbols in the MCExpr 
part of an asm .symver directive as being used. This prevents referenced
functions from being internalized and deleted.

Without the patch to LTOModule.cpp, the test case will produce the error:

LLVM ERROR: A @@ version cannot be undefined.

llvm-svn: 205221
 2014-03-31 16:59:13 +00:00