[pdb] Re-add code to write PDB files.

Somehow all the functionality to write PDB files got removed,
probably accidentally when uploading the patch perhaps the wrong
one got uploaded.  This re-adds all the code, as well as the
corresponding test.

llvm-svn: 274248

1 files changed, 4 insertions, 0 deletions

diff --git a/llvm/lib/DebugInfo/CodeView/ByteStream.cpp b/llvm/lib/DebugInfo/CodeView/ByteStream.cpp
index 83b2f8ec307..2c43bc6958d 100644
--- a/llvm/lib/DebugInfo/CodeView/ByteStream.cpp
+++ b/llvm/lib/DebugInfo/CodeView/ByteStream.cpp
@@ -62,6 +62,10 @@ template <bool Writable> uint32_t ByteStream<Writable>::getLength() const {
   return Data.size();
 }
 
+template <bool Writable> Error ByteStream<Writable>::commit() const {
+  return Error::success();
+}
+
 template <bool Writable> StringRef ByteStream<Writable>::str() const {
   const char *CharData = reinterpret_cast<const char *>(Data.data());
   return StringRef(CharData, Data.size());