From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Mon, 13 Jan 2020 10:54:24 +0000 (-0800)
Subject: bpo-39307: Fix memory leak on error path in parsetok (GH-17953)
X-Git-Tag: v3.8.2rc1~74
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9671b6b3b3e480fbc4b14aab7008b90b38767f55;p=thirdparty%2FPython%2Fcpython.git

bpo-39307: Fix memory leak on error path in parsetok (GH-17953)

(cherry picked from commit 7ba6f18de2582755ae31888ba6a4237d96dddc48)

Co-authored-by: Alex Henrie <alexhenrie24@gmail.com>
---

diff --git a/Parser/parsetok.c b/Parser/parsetok.c
index a5d78974b871..2bb733d0dcd6 100644
--- a/Parser/parsetok.c
+++ b/Parser/parsetok.c
@@ -246,6 +246,7 @@ parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret,
 
     if ((ps = PyParser_New(g, start)) == NULL) {
         err_ret->error = E_NOMEM;
+        growable_comment_array_deallocate(&type_ignores);
         PyTokenizer_Free(tok);
         return NULL;
     }