bpo-39522: Always initialise kind attribute in constant ast nodes (GH-19525)

pablogsal · web-flow · commit 33986465bde2 · 2020-04-14T21:40:41.000+01:00
diff --git a/Python/ast_opt.c b/Python/ast_opt.c
@@ -19,6 +19,7 @@ make_const(expr_ty node, PyObject *val, PyArena *arena)
         return 0;
     }
     node->kind = Constant_kind;
+    node->v.Constant.kind = NULL;
     node->v.Constant.value = val;
     return 1;
 }

Original file line number	Diff line number	Diff line change
`@@ -19,6 +19,7 @@ make_const(expr_ty node, PyObject val, PyArena arena)`
`19`	`19`	`return 0;`
`20`	`20`	`}`
`21`	`21`	`node->kind = Constant_kind;`
	`22`	`+ node->v.Constant.kind = NULL;`
`22`	`23`	`node->v.Constant.value = val;`
`23`	`24`	`return 1;`
`24`	`25`	`}`