[compiler-rt] Skip MemtagBasicDeathTest#Unsupported when running with HWASan (PR #84243)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

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

Author: Florian Mayer (fmayer)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/84243.diff


1 Files Affected:

- (modified) compiler-rt/lib/scudo/standalone/tests/memtag_test.cpp (+5) 


``````````diff
diff --git a/compiler-rt/lib/scudo/standalone/tests/memtag_test.cpp b/compiler-rt/lib/scudo/standalone/tests/memtag_test.cpp
index fd277f962a9aaa..37a18858e67c2c 100644
--- a/compiler-rt/lib/scudo/standalone/tests/memtag_test.cpp
+++ b/compiler-rt/lib/scudo/standalone/tests/memtag_test.cpp
@@ -12,12 +12,17 @@
 #include "platform.h"
 #include "tests/scudo_unit_test.h"
 
+extern "C" void __hwasan_init() __attribute__((weak));
+
 #if SCUDO_LINUX
 namespace scudo {
 
 TEST(MemtagBasicDeathTest, Unsupported) {
   if (archSupportsMemoryTagging())
     GTEST_SKIP();
+  // Skip when running with HWASan.
+  if (&__hwasan_init != 0)
+    GTEST_SKIP();
 
   EXPECT_DEATH(archMemoryTagGranuleSize(), "not supported");
   EXPECT_DEATH(untagPointer((uptr)0), "not supported");

``````````

</details>


https://github.com/llvm/llvm-project/pull/84243