[compiler-rt] [sanitizer] Fix pthread_exit interceptor's return type (PR #71253)

[Heejin Ahn via llvm-commits]

https://github.com/aheejin created https://github.com/llvm/llvm-project/pull/71253

`pthread_exit`'s return type is void.

>From bdff060e187fd1d366f649373d838b8df70340f8 Mon Sep 17 00:00:00 2001
From: Heejin Ahn <aheejin at gmail.com>
Date: Fri, 3 Nov 2023 16:37:36 -0700
Subject: [PATCH] [sanitizer] Fix pthread_exit interceptor's return type

`pthread_exit`'s return type is void.
---
 compiler-rt/lib/asan/asan_interceptors.cpp     | 4 ++--
 compiler-rt/lib/hwasan/hwasan_interceptors.cpp | 4 ++--
 compiler-rt/lib/lsan/lsan_interceptors.cpp     | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/compiler-rt/lib/asan/asan_interceptors.cpp b/compiler-rt/lib/asan/asan_interceptors.cpp
index 876682c3b6b3a35..0ee8e0ea786edeb 100644
--- a/compiler-rt/lib/asan/asan_interceptors.cpp
+++ b/compiler-rt/lib/asan/asan_interceptors.cpp
@@ -300,9 +300,9 @@ INTERCEPTOR(int, pthread_detach, void *thread) {
   return result;
 }
 
-INTERCEPTOR(int, pthread_exit, void *retval) {
+INTERCEPTOR(void, pthread_exit, void *retval) {
   asanThreadArgRetval().Finish(GetThreadSelf(), retval);
-  return REAL(pthread_exit)(retval);
+  REAL(pthread_exit)(retval);
 }
 
 #    if ASAN_INTERCEPT_TRYJOIN
diff --git a/compiler-rt/lib/hwasan/hwasan_interceptors.cpp b/compiler-rt/lib/hwasan/hwasan_interceptors.cpp
index 0889831373a8039..d7405b06752f421 100644
--- a/compiler-rt/lib/hwasan/hwasan_interceptors.cpp
+++ b/compiler-rt/lib/hwasan/hwasan_interceptors.cpp
@@ -322,9 +322,9 @@ INTERCEPTOR(int, pthread_detach, void *thread) {
   return result;
 }
 
-INTERCEPTOR(int, pthread_exit, void *retval) {
+INTERCEPTOR(void, pthread_exit, void *retval) {
   hwasanThreadArgRetval().Finish(GetThreadSelf(), retval);
-  return REAL(pthread_exit)(retval);
+  REAL(pthread_exit)(retval);
 }
 
 #    if SANITIZER_GLIBC
diff --git a/compiler-rt/lib/lsan/lsan_interceptors.cpp b/compiler-rt/lib/lsan/lsan_interceptors.cpp
index fac6133ddf21b26..885f7ad5ddba961 100644
--- a/compiler-rt/lib/lsan/lsan_interceptors.cpp
+++ b/compiler-rt/lib/lsan/lsan_interceptors.cpp
@@ -490,9 +490,9 @@ INTERCEPTOR(int, pthread_detach, void *thread) {
   return result;
 }
 
-INTERCEPTOR(int, pthread_exit, void *retval) {
+INTERCEPTOR(void, pthread_exit, void *retval) {
   GetThreadArgRetval().Finish(GetThreadSelf(), retval);
-  return REAL(pthread_exit)(retval);
+  REAL(pthread_exit)(retval);
 }
 
 #  if SANITIZER_INTERCEPT_TRYJOIN