1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree.c b/gcc/tree.c
index 31f8037..65bc15f 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -975,6 +975,9 @@ copy_node_stat (tree node MEM_STAT_DECL)
 	  SET_DECL_VALUE_EXPR (t, DECL_VALUE_EXPR (node));
 	  DECL_HAS_VALUE_EXPR_P (t) = 1;
 	}
+      /* DECL_DEBUG_EXPR is copied explicitely by callers.  */
+      if (TREE_CODE (node) == VAR_DECL)
+	DECL_HAS_DEBUG_EXPR_P (t) = 0;
       if (TREE_CODE (node) == VAR_DECL && DECL_HAS_INIT_PRIORITY_P (node))
 	{
 	  SET_DECL_INIT_PRIORITY (t, DECL_INIT_PRIORITY (node));