Revert "Make BitCodeAbbrev ownership explicit using shared_ptr rather than IntrusiveRefCntPtr"

Breaks Clang's use of bitcode. Reverting until I have a fix to go with
it there.

This reverts commit r291006.

llvm-svn: 291007

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/unittests/Bitcode/BitstreamReaderTest.cpp b/llvm/unittests/Bitcode/BitstreamReaderTest.cpp
index 935ef4bcffc..704eb803f9c 100644
--- a/llvm/unittests/Bitcode/BitstreamReaderTest.cpp
+++ b/llvm/unittests/Bitcode/BitstreamReaderTest.cpp
@@ -101,10 +101,10 @@ TEST(BitstreamReaderTest, readRecordWithBlobWhileStreaming) {
       Stream.Emit(Magic, 32);
       Stream.EnterSubblock(BlockID, 3);
 
-      auto Abbrev = std::make_shared<BitCodeAbbrev>();
+      BitCodeAbbrev *Abbrev = new BitCodeAbbrev();
       Abbrev->Add(BitCodeAbbrevOp(RecordID));
       Abbrev->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Blob));
-      AbbrevID = Stream.EmitAbbrev(std::move(Abbrev));
+      AbbrevID = Stream.EmitAbbrev(Abbrev);
       unsigned Record[] = {RecordID};
       Stream.EmitRecordWithBlob(AbbrevID, makeArrayRef(Record), BlobIn);