bpo-34080: Fix a memory leak in the compiler. (GH-8222)

miss-islington · serhiy-storchaka · web-flow · commit 9beed0c36f4c · 2018-07-11T14:54:29.000-07:00
(cherry picked from commit 993030a) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
diff --git a/Misc/NEWS.d/next/Core and Builtins/2018-07-10-11-24-16.bpo-34080.8t7PtO.rst b/Misc/NEWS.d/next/Core and Builtins/2018-07-10-11-24-16.bpo-34080.8t7PtO.rst
@@ -0,0 +1,2 @@
+Fixed a memory leak in the compiler when it raised some uncommon errors
+during tokenizing.
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
@@ -1339,7 +1339,7 @@ err_input(perrdetail *err)
     errtype = PyExc_SyntaxError;
     switch (err->error) {
     case E_ERROR:
-        return;
+        goto cleanup;
     case E_SYNTAX:
         errtype = PyExc_IndentationError;
         if (err->expected == INDENT)

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+Fixed a memory leak in the compiler when it raised some uncommon errors`
	`2`	`+during tokenizing.`