Recognize compressed LLVM bytecode files.
This should fix the problem of not being able to link compressed LLVM
bytecode files from LLVM libraries.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17648 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bytecode/Reader/ArchiveReader.cpp b/lib/Bytecode/Reader/ArchiveReader.cpp
index 50e11d6..e126483 100644
--- a/lib/Bytecode/Reader/ArchiveReader.cpp
+++ b/lib/Bytecode/Reader/ArchiveReader.cpp
@@ -58,6 +58,9 @@
   if (Size >= 4 && !memcmp(MemberData, "llvm", 4))
     return UserObject;
 
+  if (Size >= 4 && !memcmp(MemberData, "llvc", 4))
+    return UserObject;
+
   return Unknown;
 }