https://github.com/pocl/pocl/commit/3333cbc6a16fba0bc3f3c66ba6e68ce9bb46c549

From 3333cbc6a16fba0bc3f3c66ba6e68ce9bb46c549 Mon Sep 17 00:00:00 2001
From: Vitaly <vitaly@easycoding.org>
Date: Mon, 27 Jan 2025 09:52:47 +0100
Subject: [PATCH] Added missing cstdint header to fix build with libstdc++ 15.

--- a/lib/CL/devices/spirv_parser.cc
+++ b/lib/CL/devices/spirv_parser.cc
@@ -25,6 +25,7 @@
 
 #include <algorithm>
 #include <cassert>
+#include <cstdint>
 #include <cstring>
 #include <fstream>
 #include <iostream>
--- a/lib/CL/devices/spirv_parser.hh
+++ b/lib/CL/devices/spirv_parser.hh
@@ -34,6 +34,7 @@
 #define SPIRV_PARSER_EXPORT POCL_EXPORT
 #endif
 
+#include <cstdint>
 #include <map>
 #include <memory>
 #include <set>