From: Vitaly Buka <vitalybuka@google.com>
Date: Mon, 8 May 2023 18:03:40 +0000 (-0700)
Subject: [NFC][ASAN] Hide placeholder buffer
X-Git-Tag: upstream/17.0.6~9066
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=15593613769f767e78310b08e57b0a93dda6643e;p=platform%2Fupstream%2Fllvm.git

[NFC][ASAN] Hide placeholder buffer
---

diff --git a/compiler-rt/lib/asan/asan_thread.cpp b/compiler-rt/lib/asan/asan_thread.cpp
index 8d4b5c8..a1734a6 100644
--- a/compiler-rt/lib/asan/asan_thread.cpp
+++ b/compiler-rt/lib/asan/asan_thread.cpp
@@ -40,11 +40,7 @@ void AsanThreadContext::OnFinished() {
   thread = nullptr;
 }
 
-// MIPS requires aligned address
-static ALIGNED(alignof(
-    ThreadRegistry)) char thread_registry_placeholder[sizeof(ThreadRegistry)];
 static ThreadRegistry *asan_thread_registry;
-
 static Mutex mu_for_thread_context;
 static LowLevelAllocator allocator_for_thread_context;
 
@@ -63,6 +59,11 @@ static void InitThreads() {
   // in TSD and can't reliably tell when no more TSD destructors will
   // be called. It would be wrong to reuse AsanThreadContext for another
   // thread before all TSD destructors will be called for it.
+
+  // MIPS requires aligned address
+  static ALIGNED(alignof(
+      ThreadRegistry)) char thread_registry_placeholder[sizeof(ThreadRegistry)];
+
   asan_thread_registry =
       new (thread_registry_placeholder) ThreadRegistry(GetAsanThreadContext);
   initialized = true;