Fix GCC-8 warning: ‘no_unique_address’ attribute directive ignored

Signed-off-by: Vladislav Shchapov <vladislav@shchapov.ru>
greg7mdp · Aug 5, 2022 · 8aefdf1 · 8aefdf1
1 parent b730a93
commit 8aefdf1
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/include/gtl/gtl_config.hpp b/include/gtl/gtl_config.hpp
@@ -396,6 +396,12 @@
     #define GTL_ATTRIBUTE_FUNC_ALIGN(bytes)
 #endif
 
+#if GTL_HAVE_ATTRIBUTE(no_unique_address) || GTL_HAVE_CPP_ATTRIBUTE(no_unique_address)
+    #define GTL_ATTRIBUTE_NO_UNIQUE_ADDRESS [[no_unique_address]]
+#else
+    #define GTL_ATTRIBUTE_NO_UNIQUE_ADDRESS
+#endif
+
 // ----------------------------------------------------------------------
 // Figure out SSE support
 // ----------------------------------------------------------------------

diff --git a/include/gtl/phmap.hpp b/include/gtl/phmap.hpp
@@ -3179,7 +3179,7 @@ class parallel_hash_set
         }
 
         EmbeddedSet set_;
-        [[no_unique_address]] aux_type aux_;
+        GTL_ATTRIBUTE_NO_UNIQUE_ADDRESS aux_type aux_;
     };
 
 private: