[libcxx-commits] [libcxx] [libc++][test][msan] Fix bots after #67799 (PR #73152)

[Vitaly Buka via libcxx-commits]

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/73152

Tests hangs on
https://lab.llvm.org/buildbot/#/builders/sanitizer-x86_64-linux-bootstrap-msan
https://lab.llvm.org/buildbot/#/builders/sanitizer-aarch64-linux-bootstrap-msan


>From 16db792cb718ab16e92fa6f2dd03762c5d293852 Mon Sep 17 00:00:00 2001
From: Vitaly Buka <vitalybuka at google.com>
Date: Wed, 22 Nov 2023 09:57:58 -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
---
 .../atomics.types.float/exchange.pass.cpp                     | 4 +++-
 .../atomics.types.float/fetch_add.pass.cpp                    | 2 ++
 .../atomics.types.float/fetch_sub.pass.cpp                    | 2 ++
 .../atomics.types.float/operator.minus_equals.pass.cpp        | 3 +++
 .../atomics.types.float/operator.plus_equals.pass.cpp         | 3 +++
 .../atomics.types.generic/atomics.types.float/wait.pass.cpp   | 4 +++-
 6 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/exchange.pass.cpp b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/exchange.pass.cpp
index 4bd50396213d8b6..87ce7ab05d92e6c 100644
--- a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/exchange.pass.cpp
+++ b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/exchange.pass.cpp
@@ -8,7 +8,9 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // UNSUPPORTED: target={{.+}}-windows-gnu
 // Clang's support for atomic operations on long double is broken. See https://github.com/llvm/llvm-project/issues/72893
-// XFAIL: tsan, msan
+// XFAIL: tsan
+// Hangs with msan.
+// UNSUPPORTED: msan
 // ADDITIONAL_COMPILE_FLAGS(has-latomic): -latomic
 
 //  T exchange(T, memory_order = memory_order::seq_cst) volatile noexcept;
diff --git a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_add.pass.cpp b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_add.pass.cpp
index bb0b7c5b5847290..0c59b50eb807051 100644
--- a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_add.pass.cpp
+++ b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_add.pass.cpp
@@ -10,6 +10,8 @@
 // XFAIL: LIBCXX-AIX-FIXME
 // Clang's support for atomic operations on long double is broken. See https://github.com/llvm/llvm-project/issues/72893
 // XFAIL: tsan
+// Hangs with msan.
+// UNSUPPORTED: msan
 // ADDITIONAL_COMPILE_FLAGS(has-latomic): -latomic
 
 // floating-point-type fetch_add(floating-point-type,
diff --git a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_sub.pass.cpp b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_sub.pass.cpp
index b847cedf404a1c4..4435e3fc19b4e90 100644
--- a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_sub.pass.cpp
+++ b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/fetch_sub.pass.cpp
@@ -10,6 +10,8 @@
 // XFAIL: LIBCXX-AIX-FIXME
 // Clang's support for atomic operations on long double is broken. See https://github.com/llvm/llvm-project/issues/72893
 // XFAIL: tsan
+// Hangs with msan.
+// UNSUPPORTED: msan
 // ADDITIONAL_COMPILE_FLAGS(has-latomic): -latomic
 
 // floating-point-type fetch_sub(floating-point-type,
diff --git a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.minus_equals.pass.cpp b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.minus_equals.pass.cpp
index 18c42d7b9bb13cb..b496f2f272c6ac8 100644
--- a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.minus_equals.pass.cpp
+++ b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.minus_equals.pass.cpp
@@ -9,6 +9,9 @@
 // UNSUPPORTED: target={{.+}}-windows-gnu
 // XFAIL: LIBCXX-AIX-FIXME
 // ADDITIONAL_COMPILE_FLAGS(has-latomic): -latomic
+// Clang's support for atomic operations on long double is broken. See https://github.com/llvm/llvm-project/issues/72893
+// Hangs with msan.
+// UNSUPPORTED: msan
 
 // floating-point-type operator-=(floating-point-type) volatile noexcept;
 // floating-point-type operator-=(floating-point-type) noexcept;
diff --git a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.plus_equals.pass.cpp b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.plus_equals.pass.cpp
index 6026d2392d9377e..299e300c897e56d 100644
--- a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.plus_equals.pass.cpp
+++ b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/operator.plus_equals.pass.cpp
@@ -9,6 +9,9 @@
 // UNSUPPORTED: target={{.+}}-windows-gnu
 // XFAIL: LIBCXX-AIX-FIXME
 // ADDITIONAL_COMPILE_FLAGS(has-latomic): -latomic
+// Clang's support for atomic operations on long double is broken. See https://github.com/llvm/llvm-project/issues/72893
+// Hangs with msan.
+// UNSUPPORTED: msan
 
 // floating-point-type operator+=(floating-point-type) volatile noexcept;
 // floating-point-type operator+=(floating-point-type) noexcept;
diff --git a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/wait.pass.cpp b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/wait.pass.cpp
index ce730b792a21e6a..e3a8c576ef0167e 100644
--- a/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/wait.pass.cpp
+++ b/libcxx/test/std/atomics/atomics.types.generic/atomics.types.float/wait.pass.cpp
@@ -8,7 +8,9 @@
 // UNSUPPORTED: c++03, c++11, c++14, c++17
 // XFAIL: availability-synchronization_library-missing
 // Clang's support for atomic operations on long double is broken. See https://github.com/llvm/llvm-project/issues/72893
-// XFAIL: tsan, msan
+// XFAIL: tsan
+// Hangs with msan.
+// UNSUPPORTED: msan
 // ADDITIONAL_COMPILE_FLAGS(has-latomic): -latomic
 
 // void wait(T old, memory_order order = memory_order::seq_cst) const volatile noexcept;