From f4123b2fc2a662c08e3d7edc721241c251a22c4b Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Mon, 31 Mar 2025 13:44:41 -0300
Subject: Growth factor of 1.5 for stack and lexical buffer

---
 ldo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ldo.c')

diff --git a/ldo.c b/ldo.c
index b0d37bf7..6824a21f 100644
--- a/ldo.c
+++ b/ldo.c
@@ -319,7 +319,7 @@ int luaD_growstack (lua_State *L, int n, int raiseerror) {
     return 0;  /* if not 'raiseerror', just signal it */
   }
   else if (n < MAXSTACK) {  /* avoids arithmetic overflows */
-    int newsize = 2 * size;  /* tentative new size */
+    int newsize = size + (size >> 1);  /* tentative new size (size * 1.5) */
     int needed = cast_int(L->top.p - L->stack.p) + n;
     if (newsize > MAXSTACK)  /* cannot cross the limit */
       newsize = MAXSTACK;
-- 
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