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diff --git a/gc-7.2/libatomic_ops/src/atomic_ops/sysdeps/test_and_set_t_is_ao_t.h b/gc-7.2/libatomic_ops/src/atomic_ops/sysdeps/test_and_set_t_is_ao_t.h
new file mode 100644
index 0000000..606f7ac
--- /dev/null
+++ b/gc-7.2/libatomic_ops/src/atomic_ops/sysdeps/test_and_set_t_is_ao_t.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2004 Hewlett-Packard Development Company, L.P.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * These are common definitions for architectures on which test_and_set
+ * operates on pointer-sized quantities, the "clear" value contains
+ * all zeroes, and the "set" value contains only one lowest bit set.
+ * This can be used if test_and_set is synthesized from compare_and_swap.
+ */
+typedef enum {AO_TS_clear = 0, AO_TS_set = 1} AO_TS_val;
+#define AO_TS_VAL_t AO_TS_val
+#define AO_TS_CLEAR AO_TS_clear
+#define AO_TS_SET AO_TS_set
+
+#define AO_TS_t AO_t
+
+#define AO_AO_TS_T 1