Add support for writing through StreamInterface.

This adds method and tests for writing to a PDB stream.  With
this, even a PDB stream which is discontiguous can be treated
as a sequential stream of bytes for the purposes of writing.

Reviewed By: ruiu
Differential Revision: http://reviews.llvm.org/D21157

llvm-svn: 272369

1 files changed, 2 insertions, 0 deletions

diff --git a/llvm/lib/DebugInfo/CodeView/CodeViewError.cpp b/llvm/lib/DebugInfo/CodeView/CodeViewError.cpp
index 4db6b29..aad1d8b 100644
--- a/llvm/lib/DebugInfo/CodeView/CodeViewError.cpp
+++ b/llvm/lib/DebugInfo/CodeView/CodeViewError.cpp
@@ -31,6 +31,8 @@ public:
              "bytes.";
     case cv_error_code::corrupt_record:
       return "The CodeView record is corrupted.";
+    case cv_error_code::operation_unsupported:
+      return "The requested operation is not supported.";
     }
     llvm_unreachable("Unrecognized cv_error_code");
   }