From ff0ec52d3c60b1a7656cb8bab53e9ba1dd5b773b Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Sun, 27 Jul 1997 01:52:50 +0000
Subject: Finally plug the memory leak caused by syntax error (including
 interactive EOF, which leaked *one* byte).

---
 Parser/parsetok.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Parser/parsetok.c b/Parser/parsetok.c
index 251e507..93df0d6 100644
--- a/Parser/parsetok.c
+++ b/Parser/parsetok.c
@@ -154,8 +154,11 @@ parsetok(tok, g, start, err_ret)
 		str[len] = '\0';
 		if ((err_ret->error =
 		     PyParser_AddToken(ps, (int)type, str,
-				       tok->lineno)) != E_OK)
+				       tok->lineno)) != E_OK) {
+			if (err_ret->error != E_DONE)
+				PyMem_DEL(str);
 			break;
+		}
 	}
 
 	if (err_ret->error == E_DONE) {
-- 
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