From f17c26c5520516c17bac9fd802a6b51d1b8b6514 Mon Sep 17 00:00:00 2001
From: Monika Rathor <monika.soni@gmail.com>
Date: Sat, 12 May 2018 15:27:08 -0700
Subject: [PATCH] Fix mem leak when failure is set

---
 GraphQLParser.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/GraphQLParser.cpp b/GraphQLParser.cpp
index 5a8f4c0..9f3ea5e 100644
--- a/GraphQLParser.cpp
+++ b/GraphQLParser.cpp
@@ -19,9 +19,12 @@ namespace graphql {
 // Given properly-configured yylex, run the parser and return the
 // result.
 static std::unique_ptr<ast::Node> doParse(const char **outError, yyscan_t scanner, bool enableSchema) {
-  Node *outAST;
+  Node *outAST = NULL;
   yy::GraphQLParserImpl parser(enableSchema, &outAST, outError, scanner);
   int failure = parser.parse();
+  if (failure) {
+    delete outAST;
+  }
   return !failure ? std::unique_ptr<ast::Node>(outAST) : nullptr;
 }