From 14d551b7eea189b3dc6e5eafa2297233d4edf118 Mon Sep 17 00:00:00 2001
From: duke <duke@openjdk.org>
Date: Wed, 30 Jul 2025 13:31:27 +0000
Subject: [PATCH] Backport 40603a5bf039eef03c157bfc49ac8ea2229a94de

---
 make/autoconf/flags-cflags.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/make/autoconf/flags-cflags.m4 b/make/autoconf/flags-cflags.m4
index f7f2ad53000..66e01dbe80c 100644
--- a/make/autoconf/flags-cflags.m4
+++ b/make/autoconf/flags-cflags.m4
@@ -316,7 +316,7 @@ AC_DEFUN([FLAGS_SETUP_OPTIMIZATION],
     C_O_FLAG_DEBUG="-Od"
     C_O_FLAG_DEBUG_JVM=""
     C_O_FLAG_NONE="-Od"
-    C_O_FLAG_SIZE="-Os"
+    C_O_FLAG_SIZE="-O1"
   fi
 
   # Now copy to C++ flags