Added a field to BlockDeclRefExpr for future use.
No functionality change yet.

llvm-svn: 105479
diff --git a/clang/lib/AST/StmtProfile.cpp b/clang/lib/AST/StmtProfile.cpp
index ac3a9ee..4b17e52 100644
--- a/clang/lib/AST/StmtProfile.cpp
+++ b/clang/lib/AST/StmtProfile.cpp
@@ -428,6 +428,8 @@
   VisitDecl(S->getDecl());
   ID.AddBoolean(S->isByRef());
   ID.AddBoolean(S->isConstQualAdded());
+  if (S->getCopyConstructorExpr())
+    Visit(S->getCopyConstructorExpr());
 }
 
 static Stmt::StmtClass DecodeOperatorCall(CXXOperatorCallExpr *S,