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-rw-r--r--gcc/cp/constexpr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/cp/constexpr.c b/gcc/cp/constexpr.c
index d9b9a28..ae0c973 100644
--- a/gcc/cp/constexpr.c
+++ b/gcc/cp/constexpr.c
@@ -998,7 +998,7 @@ get_fundef_copy (tree fun)
tree copy;
tree *slot = fundef_copies_table->get (fun);
- if (slot == NULL)
+ if (slot == NULL || *slot == NULL_TREE)
{
copy = build_tree_list (NULL, NULL);
/* PURPOSE is body, VALUE is parms, TYPE is result. */