Move the assert which checks for a NULL pointer first.
Klocwork #274.
diff --git a/Modules/collectionsmodule.c b/Modules/collectionsmodule.c
index 01a7ad0..aef5d71 100644
--- a/Modules/collectionsmodule.c
+++ b/Modules/collectionsmodule.c
@@ -224,9 +224,9 @@
deque->leftindex = CENTER + 1;
deque->rightindex = CENTER;
} else {
+ assert(deque->leftblock != NULL);
assert(deque->leftblock != deque->rightblock);
prevblock = deque->leftblock->rightlink;
- assert(deque->leftblock != NULL);
PyMem_Free(deque->leftblock);
assert(prevblock != NULL);
prevblock->leftlink = NULL;