From: Dong-hee Na <donghee.na92@gmail.com>
Date: Thu, 10 Oct 2019 07:41:26 +0000 (+0900)
Subject: bpo-38425: Fix ‘res’ may be used uninitialized warning (GH-16688)
X-Git-Tag: v3.9.0a1~219
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a05fcd3c7adf6e3a0944da8cf80a3346882e9b3b;p=thirdparty%2FPython%2Fcpython.git

bpo-38425: Fix ‘res’ may be used uninitialized warning (GH-16688)
---

diff --git a/Parser/asdl_c.py b/Parser/asdl_c.py
index 3a9d4e6b4b92..3a821cc9265c 100755
--- a/Parser/asdl_c.py
+++ b/Parser/asdl_c.py
@@ -1197,7 +1197,6 @@ PyObject* PyAST_mod2obj(mod_ty t)
 /* mode is 0 for "exec", 1 for "eval" and 2 for "single" input */
 mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
 {
-    mod_ty res;
     PyObject *req_type[3];
     const char * const req_name[] = {"Module", "Expression", "Interactive"};
     int isinstance;
@@ -1223,6 +1222,8 @@ mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
                      req_name[mode], _PyType_Name(Py_TYPE(ast)));
         return NULL;
     }
+
+    mod_ty res = NULL;
     if (obj2ast_mod(ast, &res, arena) != 0)
         return NULL;
     else
diff --git a/Python/Python-ast.c b/Python/Python-ast.c
index 558d9ebea5c7..e2c703d81555 100644
--- a/Python/Python-ast.c
+++ b/Python/Python-ast.c
@@ -10250,7 +10250,6 @@ PyObject* PyAST_mod2obj(mod_ty t)
 /* mode is 0 for "exec", 1 for "eval" and 2 for "single" input */
 mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
 {
-    mod_ty res;
     PyObject *req_type[3];
     const char * const req_name[] = {"Module", "Expression", "Interactive"};
     int isinstance;
@@ -10276,6 +10275,8 @@ mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
                      req_name[mode], _PyType_Name(Py_TYPE(ast)));
         return NULL;
     }
+
+    mod_ty res = NULL;
     if (obj2ast_mod(ast, &res, arena) != 0)
         return NULL;
     else