[compiler-rt] [sanitizer-common][rtsan] Add rtsan to sanitizer-common suites (PR #217094)

[Chris Apple via llvm-commits]

https://github.com/cjappl created https://github.com/llvm/llvm-project/pull/217094

Final change in a set of changes cleaning up `rtsan` for inclusion into the sanitizer-common test suites.

Fixes one final test and enables the option.

>From 6440a68c4bfabd355d6845aef2475ed59c3e87a1 Mon Sep 17 00:00:00 2001
From: Chris Apple <cja-private at pm.me>
Date: Fri, 31 Jul 2026 16:45:41 -0700
Subject: [PATCH] [sanitizer-common][rtsan] Add rtsan to sanitizer-common
 suites

---
 compiler-rt/test/sanitizer_common/CMakeLists.txt              | 2 +-
 .../test/sanitizer_common/TestCases/Darwin/abort_on_error.cpp | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/compiler-rt/test/sanitizer_common/CMakeLists.txt b/compiler-rt/test/sanitizer_common/CMakeLists.txt
index 739879d961248..31de8228faa8d 100644
--- a/compiler-rt/test/sanitizer_common/CMakeLists.txt
+++ b/compiler-rt/test/sanitizer_common/CMakeLists.txt
@@ -7,7 +7,7 @@ set(SANITIZER_COMMON_TESTSUITES)
 # FIXME(dliew): We should switch to COMPILER_RT_SANITIZERS_TO_BUILD instead of
 # the hard coded `SUPPORTED_TOOLS_INIT` list once we know that the other
 # sanitizers work.
-set(SUPPORTED_TOOLS_INIT asan lsan hwasan msan tsan ubsan)
+set(SUPPORTED_TOOLS_INIT asan lsan hwasan msan tsan ubsan rtsan)
 set(SUPPORTED_TOOLS)
   foreach(SANITIZER_TOOL ${SUPPORTED_TOOLS_INIT})
     string(TOUPPER ${SANITIZER_TOOL} SANITIZER_TOOL_UPPER)
diff --git a/compiler-rt/test/sanitizer_common/TestCases/Darwin/abort_on_error.cpp b/compiler-rt/test/sanitizer_common/TestCases/Darwin/abort_on_error.cpp
index f94bd51ed9e04..4bca815c433fd 100644
--- a/compiler-rt/test/sanitizer_common/TestCases/Darwin/abort_on_error.cpp
+++ b/compiler-rt/test/sanitizer_common/TestCases/Darwin/abort_on_error.cpp
@@ -14,12 +14,12 @@
 
 int global;
 
-int main() {
+int main() [[clang::nonblocking]] {
 #if defined(USING_ubsan)
   volatile int *null = 0;
   *null = 0;
 #else
-  volatile int *a = new int[100];
+  volatile int *a = new int[100]; // allocation triggers RTSan report
   delete[] a;
   global = a[0]; // use-after-free: triggers ASan/TSan report.
 #endif