[compiler-rt] [Sanitizers][Test] XFAIL array cookie tests on arm (PR #154031)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: Mariusz Borsa (wrotki)

<details>
<summary>Changes</summary>

Poisoning of C++ array redzones is only implemented for x86 CPUs. New arm64 bots are being brought up, where these test fail.

Original C++ arrays shadow poisoning change:

http://reviews.llvm.org/D4774

rdar://158025391

---
Full diff: https://github.com/llvm/llvm-project/pull/154031.diff


2 Files Affected:

- (modified) compiler-rt/test/asan/TestCases/Posix/new_array_cookie_test.cpp (+3) 
- (modified) compiler-rt/test/asan/TestCases/Posix/new_array_cookie_uaf_test.cpp (+3) 


``````````diff
diff --git a/compiler-rt/test/asan/TestCases/Posix/new_array_cookie_test.cpp b/compiler-rt/test/asan/TestCases/Posix/new_array_cookie_test.cpp
index edbdb4016d86e..fa896128cdb72 100644
--- a/compiler-rt/test/asan/TestCases/Posix/new_array_cookie_test.cpp
+++ b/compiler-rt/test/asan/TestCases/Posix/new_array_cookie_test.cpp
@@ -6,6 +6,9 @@
 
 // UNSUPPORTED: ios
 
+// Poisoning C++ array redzones is not implemented on arm
+// XFAIL: target=arm{{.*}}
+
 #include <stdio.h>
 #include <stdlib.h>
 struct C {
diff --git a/compiler-rt/test/asan/TestCases/Posix/new_array_cookie_uaf_test.cpp b/compiler-rt/test/asan/TestCases/Posix/new_array_cookie_uaf_test.cpp
index 335a56757d296..63b1171df0aef 100644
--- a/compiler-rt/test/asan/TestCases/Posix/new_array_cookie_uaf_test.cpp
+++ b/compiler-rt/test/asan/TestCases/Posix/new_array_cookie_uaf_test.cpp
@@ -5,6 +5,9 @@
 
 // UNSUPPORTED: ios
 
+// Poisoning C++ array redzones is not implemented on arm
+// XFAIL: target=arm{{.*}}
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <assert.h>

``````````

</details>


https://github.com/llvm/llvm-project/pull/154031