From 5f61ccf07d5f0b777c290df4413ae2c7bdb08fd5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 13 Mar 2025 13:22:28 -0600
Subject: [PATCH] [set] Fix reallocation

Was shrinking malloced vectors inadverently.
---
 src/hb-bit-set.hh | 2 +-
 src/hb-vector.hh  | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/hb-bit-set.hh b/src/hb-bit-set.hh
index 251e6eba2..ec462c7d4 100644
--- a/src/hb-bit-set.hh
+++ b/src/hb-bit-set.hh
@@ -88,7 +88,7 @@ struct hb_bit_set_t
   {
     if (unlikely (!successful)) return false;
 
-    if (pages.length < count && count <= 2)
+    if (pages.length < count && (unsigned) pages.allocated < count && count <= 2)
       exact_size = true; // Most sets are small and local
 
     if (unlikely (!pages.resize (count, clear, exact_size) ||
diff --git a/src/hb-vector.hh b/src/hb-vector.hh
index af9a1c750..2c1344c03 100644
--- a/src/hb-vector.hh
+++ b/src/hb-vector.hh
@@ -442,7 +442,6 @@ struct hb_vector_t
 	new_allocated += (new_allocated >> 1) + 8;
     }
 
-
     /* Reallocate */
 
     bool overflows =