From b653ae92d5941202780873fad1a7cefd51e4e7a8 Mon Sep 17 00:00:00 2001
From: Kim Barrett <kbarrett@openjdk.org>
Date: Tue, 9 Sep 2025 15:02:54 +0000
Subject: [PATCH] 8367051: Build failure with clang on linux and AIX after
 switch to C++17

Reviewed-by: dholmes, ayang, mbaesken, mdoerr
---
 src/hotspot/share/utilities/forbiddenFunctions.hpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/hotspot/share/utilities/forbiddenFunctions.hpp b/src/hotspot/share/utilities/forbiddenFunctions.hpp
index a8dcba95a6d..871fff5b727 100644
--- a/src/hotspot/share/utilities/forbiddenFunctions.hpp
+++ b/src/hotspot/share/utilities/forbiddenFunctions.hpp
@@ -38,6 +38,15 @@
 #include <stdlib.h>
 #endif
 
+// Workaround for noexcept functions in glibc when using clang.
+// clang errors if declaration without exception specification preceeds
+// noexcept declaration, but not the other way around.
+#ifdef __clang__
+#include <stdio.h>
+#include <string.h>
+#include <wchar.h>
+#endif
+
 #ifdef _WINDOWS
 #include "forbiddenFunctions_windows.hpp"
 #else