Add the initial TypoExpr AST node for delayed typo correction.

llvm-svn: 220692
diff --git a/clang/lib/AST/StmtProfile.cpp b/clang/lib/AST/StmtProfile.cpp
index 87e30bb..15a8676 100644
--- a/clang/lib/AST/StmtProfile.cpp
+++ b/clang/lib/AST/StmtProfile.cpp
@@ -1242,6 +1242,10 @@
   VisitExpr(E);  
 }
 
+void StmtProfiler::VisitTypoExpr(const TypoExpr *E) {
+  VisitExpr(E);
+}
+
 void StmtProfiler::VisitObjCStringLiteral(const ObjCStringLiteral *S) {
   VisitExpr(S);
 }