diff --git a/gcc/varasm.c b/gcc/varasm.c
index 7be56f1..6e7ca5a 100644
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -3201,7 +3201,7 @@ build_constant_desc (tree exp)
   TREE_CONSTANT_POOL_ADDRESS_P (symbol) = 1;
 
   rtl = gen_const_mem (TYPE_MODE (TREE_TYPE (exp)), symbol);
-  set_mem_attributes (rtl, exp, 1);
+  set_mem_attributes (rtl, decl, 1);
   set_mem_alias_set (rtl, 0);
   set_mem_alias_set (rtl, const_alias_set);