commit 72927d0d1787809b4b25e5086c5a9167bdb807bb
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Fri Oct 12 00:19:20 2018 -0700
committer GitHub <noreply@github.com> Fri Oct 12 00:19:20 2018 -0700
tree 519449e9c710112d2162f5b187d935341e96c307
parent 1c2cb516e49ceb56f76e90645e67e8df4e5df01a

Fix an incorrect check in compiler_try_except(). (GH-9810)

(cherry picked from commit 53ebf4b0709f431b7262aa5daccef7eafde7383e)

Co-authored-by: Zackery Spytz <zspytz@gmail.com>

Python/compile.c

diff --git a/Python/compile.c b/Python/compile.c
index b459096..3564ca2 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -2670,8 +2670,9 @@
 
             cleanup_end = compiler_new_block(c);
             cleanup_body = compiler_new_block(c);
-            if (!(cleanup_end || cleanup_body))
+            if (cleanup_end == NULL || cleanup_body == NULL) {
                 return 0;
+            }
 
             compiler_nameop(c, handler->v.ExceptHandler.name, Store);
             ADDOP(c, POP_TOP);