Serialized diagnostics: encode a 24 bit version number as part of the "magic number" of serialized diagnostics.

llvm-svn: 143760

1 files changed, 2 insertions, 4 deletions

diff --git a/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp b/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
index f1b5b1c56d5..3516ad2e7be 100644
--- a/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
+++ b/clang/lib/Frontend/SerializedDiagnosticPrinter.cpp
@@ -200,10 +200,8 @@ void SDiagsWriter::EmitPreamble() {
   
   // Emit the file header.
   Stream.Emit((unsigned)'D', 8);
-  Stream.Emit((unsigned)'I', 8);
-  Stream.Emit((unsigned)'A', 8);
-  Stream.Emit((unsigned)'G', 8);
-  
+  Stream.Emit((unsigned) Version, 32 - 8);
+
   EmitBlockInfoBlock();
 }