From 59012a18e190532f673e72899b3e005e9792d8f8 Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Tue, 27 Dec 2022 18:49:24 +0800
Subject: [PATCH] vim-patch:9.0.1096: reallocating hashtab when the size didn't
 change

Problem:    Reallocating hashtab when the size didn't change.
Solution:   Bail out when the hashtab is already the desired size.

https://github.com/vim/vim/commit/71d53e7c579b8af44083142ea3894b455947ad81

Co-authored-by: Bram Moolenaar <Bram@vim.org>
---
 src/nvim/hashtab.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/nvim/hashtab.c b/src/nvim/hashtab.c
index fdbfdd7d77..448e78ab07 100644
--- a/src/nvim/hashtab.c
+++ b/src/nvim/hashtab.c
@@ -334,6 +334,11 @@ static void hash_may_resize(hashtab_T *ht, size_t minitems)
     assert(newsize != 0);
   }
 
+  // bail out if the hashtab is already at the desired size
+  if (newsize == ht->ht_mask + 1) {
+    return;
+  }
+
   bool newarray_is_small = newsize == HT_INIT_SIZE;
   bool keep_smallarray = newarray_is_small
                          && ht->ht_array == ht->ht_smallarray;