Implement -Wunused-label.
llvm-svn: 114315
diff --git a/clang/lib/Serialization/ASTWriterStmt.cpp b/clang/lib/Serialization/ASTWriterStmt.cpp
index 7a5b949..edd8002 100644
--- a/clang/lib/Serialization/ASTWriterStmt.cpp
+++ b/clang/lib/Serialization/ASTWriterStmt.cpp
@@ -213,6 +213,7 @@
Writer.AddIdentifierRef(S->getID(), Record);
Writer.AddStmt(S->getSubStmt());
Writer.AddSourceLocation(S->getIdentLoc(), Record);
+ Record.push_back(S->isUsed());
Record.push_back(Writer.GetLabelID(S));
Code = serialization::STMT_LABEL;
}