+2020-01-14 David Malcolm <dmalcolm@redhat.com>
+
+ * cp-gimplify.c (source_location_table_entry_hash::empty_zero_p):
+ New static constant.
+ * cp-tree.h (named_decl_hash::empty_zero_p): Likewise.
+ (struct named_label_hash::empty_zero_p): Likewise.
+ * decl2.c (mangled_decl_hash::empty_zero_p): Likewise.
+
2020-01-14 Jason Merrill <jason@redhat.com>
PR c++/92594 - ICE with inherited trivial default ctor.