commit 9e96e7b24e4d3ff4dce4f24c4e469cd5460712c9
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Sat Mar 31 16:41:28 2018 -0700
committer GitHub <noreply@github.com> Sat Mar 31 16:41:28 2018 -0700
tree 1d4740698cc9e88e10ada6fb284b98d3ce2c98d9
parent 7dcfd6c66344594844d441e197174366ff9cfe4e

bpo-33132: Fix more reference counting issues in the compiler. (GH-6323)

(cherry picked from commit aa8e51f5ebb2a71c76059f050de01fc3c985376a)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Python/compile.c

diff --git a/Python/compile.c b/Python/compile.c
index 03b4826..d4245e2 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -2742,8 +2742,7 @@
             attr = PyUnicode_Substring(name, pos, (dot != -1) ? dot : len);
             if (!attr)
                 return 0;
-            ADDOP_O(c, IMPORT_FROM, attr, names);
-            Py_DECREF(attr);
+            ADDOP_N(c, IMPORT_FROM, attr, names);
             if (dot == -1) {
                 break;
             }
@@ -3207,8 +3206,7 @@
                             "param invalid for local variable");
             return 0;
         }
-        ADDOP_O(c, op, mangled, varnames);
-        Py_DECREF(mangled);
+        ADDOP_N(c, op, mangled, varnames);
         return 1;
     case OP_GLOBAL:
         switch (ctx) {