From d03c704c9868aae3997810df874c9475156bcf0e Mon Sep 17 00:00:00 2001
From: Matthias Baesken <mbaesken@openjdk.org>
Date: Tue, 20 Aug 2024 12:25:48 +0000
Subject: [PATCH] 8338110: Exclude Fingerprinter::do_type from ubsan checks

Backport-of: 6a390147959e0fb88de6ee13204cff72cd910f09
---
 src/hotspot/share/runtime/signature.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hotspot/share/runtime/signature.hpp b/src/hotspot/share/runtime/signature.hpp
index 3f7d062ab66..25de9c0a1f0 100644
--- a/src/hotspot/share/runtime/signature.hpp
+++ b/src/hotspot/share/runtime/signature.hpp
@@ -28,6 +28,7 @@
 
 #include "memory/allocation.hpp"
 #include "oops/method.hpp"
+#include "sanitizers/ub.hpp"
 
 
 // Static routines and parsing loops for processing field and method
@@ -338,6 +339,7 @@ class Fingerprinter: public SignatureIterator {
   void do_type_calling_convention(BasicType type);
 
   friend class SignatureIterator;  // so do_parameters_on can call do_type
+  ATTRIBUTE_NO_UBSAN
   void do_type(BasicType type) {
     assert(fp_is_valid_type(type), "bad parameter type");
     _accumulator |= ((fingerprint_t)type << _shift_count);