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

[Florian Mayer via llvm-commits]

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

None

>From d7e7fae5fef3b6247027ed1245573a774e8ceeeb Mon Sep 17 00:00:00 2001
From: Florian Mayer <fmayer at google.com>
Date: Wed, 6 Mar 2024 14:19:25 -0800
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
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Created using spr 1.3.4
---
 compiler-rt/lib/scudo/standalone/tests/memtag_test.cpp | 5 +++++
 1 file changed, 5 insertions(+)

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");