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-rw-r--r--gcc/ada/gcc-interface/trans.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ada/gcc-interface/trans.c b/gcc/ada/gcc-interface/trans.c
index 275017c..de6ac0b 100644
--- a/gcc/ada/gcc-interface/trans.c
+++ b/gcc/ada/gcc-interface/trans.c
@@ -723,6 +723,18 @@ lvalue_required_p (Node_Id gnat_node, tree gnu_type, int aliased)
(Underlying_Type (Etype (Name (gnat_parent))))
|| Nkind (Name (gnat_parent)) == N_Identifier);
+ case N_Object_Declaration:
+ /* We cannot use a constructor if this is an atomic object because
+ the actual assignment might end up being done component-wise. */
+ return Is_Composite_Type (Underlying_Type (Etype (gnat_node)))
+ && Is_Atomic (Defining_Entity (gnat_parent));
+
+ case N_Assignment_Statement:
+ /* We cannot use a constructor if the LHS is an atomic object because
+ the actual assignment might end up being done component-wise. */
+ return Is_Composite_Type (Underlying_Type (Etype (gnat_node)))
+ && Is_Atomic (Entity (Name (gnat_parent)));
+
default:
return 0;
}