[3.12] gh-109216: Fix possible memory leak in BUILD_MAP (#109324)

sobolevn · web-flow · commit b6755d81d45a · 2023-10-15T07:08:40.000+05:30
diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-09-11-12-41-42.gh-issue-109216.60QOSb.rst b/Misc/NEWS.d/next/Core and Builtins/2023-09-11-12-41-42.gh-issue-109216.60QOSb.rst
@@ -0,0 +1,2 @@
+Fix possible memory leak in :opcode:`BUILD_MAP`.
+
diff --git a/Python/bytecodes.c b/Python/bytecodes.c
@@ -1543,9 +1543,6 @@ dummy_func(
                     values, 2,
                     values+1, 2,
                     oparg);
-            if (map == NULL)
-                goto error;
-
             DECREF_INPUTS();
             ERROR_IF(map == NULL, error);
         }
diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+Fix possible memory leak in :opcode:`BUILD_MAP`.
	`2`	`+`