hmm, gcc 7 built from scratch and centos version behaves differently.

1 files changed, 5 insertions, 0 deletions

diff --git a/vespamalloc/src/tests/test1/testatomic.cpp b/vespamalloc/src/tests/test1/testatomic.cpp
index 3b1adf08802..818af5fe673 100644
--- a/vespamalloc/src/tests/test1/testatomic.cpp
+++ b/vespamalloc/src/tests/test1/testatomic.cpp
@@ -14,7 +14,12 @@ TEST("verify lock freeness of atomics"){
     {
         std::atomic<vespamalloc::TaggedPtr> taggedPtr;
         ASSERT_EQUAL(16u, sizeof(vespamalloc::TaggedPtr));
+#if __GNUC__ < 7
+        // See https://gcc.gnu.org/ml/gcc-patches/2017-01/msg02344.html for background
         ASSERT_TRUE(taggedPtr.is_lock_free());
+#else
+        ASSERT_FALSE(taggedPtr.is_lock_free());
+#endif
     }
 
 }