From: Billy Robert O'Neal III <bion@microsoft.com>
Date: Mon, 1 Jul 2019 08:09:02 +0000 (+0000)
Subject: [libcxx] [test] Add void cast to result of compare_exchange_weak to suppress [[nodisc... 
X-Git-Tag: llvmorg-10-init~1655
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0384a780549a0b87cefc3e7d787787a5e5bb9527;p=platform%2Fupstream%2Fllvm.git

[libcxx] [test] Add void cast to result of compare_exchange_weak to suppress [[nodiscard]].

llvm-svn: 364732
---

diff --git a/libcxx/test/std/atomics/atomics.general/replace_failure_order.pass.cpp b/libcxx/test/std/atomics/atomics.general/replace_failure_order.pass.cpp
index 631f97a..2890521 100644
--- a/libcxx/test/std/atomics/atomics.general/replace_failure_order.pass.cpp
+++ b/libcxx/test/std/atomics/atomics.general/replace_failure_order.pass.cpp
@@ -30,13 +30,13 @@ int main(int, char**) {
     volatile std::atomic<int> v;
     int exp = 0;
 
-    i.compare_exchange_weak(exp, 0, std::memory_order_acq_rel);
-    i.compare_exchange_weak(exp, 0, std::memory_order_release);
+    (void) i.compare_exchange_weak(exp, 0, std::memory_order_acq_rel);
+    (void) i.compare_exchange_weak(exp, 0, std::memory_order_release);
     i.compare_exchange_strong(exp, 0, std::memory_order_acq_rel);
     i.compare_exchange_strong(exp, 0, std::memory_order_release);
 
-    v.compare_exchange_weak(exp, 0, std::memory_order_acq_rel);
-    v.compare_exchange_weak(exp, 0, std::memory_order_release);
+    (void) v.compare_exchange_weak(exp, 0, std::memory_order_acq_rel);
+    (void) v.compare_exchange_weak(exp, 0, std::memory_order_release);
     v.compare_exchange_strong(exp, 0, std::memory_order_acq_rel);
     v.compare_exchange_strong(exp, 0, std::memory_order_release);