From 62b293816c30e5f42f44bb326250dd857e56ce37 Mon Sep 17 00:00:00 2001
From: Jorg Sowa <jorg.sowa@gmail.com>
Date: Wed, 28 Oct 2026 00:08:18 +0100
Subject: [PATCH] Add test for GH-24675

---
 ext/opcache/tests/jit/gh24675.phpt | 37 ++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 ext/opcache/tests/jit/gh24675.phpt

diff --git a/ext/opcache/tests/jit/gh24675.phpt b/ext/opcache/tests/jit/gh24675.phpt
new file mode 100644
index 000000000000..8dee0038d79b
--- /dev/null
+++ b/ext/opcache/tests/jit/gh24675.phpt
@@ -0,0 +1,37 @@
+--TEST--
+GH-24675 (JIT buffer corrupted after failing to compile a huge function)
+--EXTENSIONS--
+opcache
+--INI--
+opcache.enable=1
+opcache.enable_cli=1
+opcache.file_update_protection=0
+opcache.jit_buffer_size=16M
+opcache.jit=function
+--FILE--
+<?php
+$big = __DIR__ . '/gh24675_big.inc';
+$next = __DIR__ . '/gh24675_next.inc';
+
+$body = '';
+for ($i = 0; $i < 4000; $i++) {
+    $body .= "\$r[" . ($i % 32) . "] = \$v + $i;\n";
+}
+file_put_contents($big, "<?php\nfunction big(array &\$r, int \$v) {\n$body}\n");
+file_put_contents($next, "<?php\nfunction next_fn() { return 42; }\n");
+
+$before = opcache_get_status(false)['jit']['buffer_free'];
+include $big;
+var_dump(opcache_get_status(false)['jit']['buffer_free'] <= $before);
+
+include $next;
+var_dump(next_fn());
+?>
+--CLEAN--
+<?php
+@unlink(__DIR__ . '/gh24675_big.inc');
+@unlink(__DIR__ . '/gh24675_next.inc');
+?>
+--EXPECT--
+bool(true)
+int(42)