From c91977801797ef15a97aa2f325c7458ef393166b Mon Sep 17 00:00:00 2001
From: Matt Valentine-House <matt@eightbitraptor.com>
Date: Mon, 6 Apr 2026 22:37:30 +0100
Subject: Remove extra sentinel from shape capacities

This isn't a 0 terminated list anymore because we iterate over
heaps_count directly. So we don't need to allocate an extra byte for the
sentinel
---
 shape.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/shape.c b/shape.c
index 93ccd3eb59..c9169313cf 100644
--- a/shape.c
+++ b/shape.c
@@ -1539,8 +1539,7 @@ Init_default_shapes(void)
     while (heap_sizes[heaps_count]) {
         heaps_count++;
     }
-    attr_index_t *capacities = ALLOC_N(attr_index_t, heaps_count + 1);
-    capacities[heaps_count] = 0;
+    attr_index_t *capacities = ALLOC_N(attr_index_t, heaps_count);
     size_t index;
     for (index = 0; index < heaps_count; index++) {
         if (heap_sizes[index] > sizeof(struct RBasic)) {
-- 
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