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-rw-r--r--gcc/tree-core.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/tree-core.h b/gcc/tree-core.h
index 028b6af..145e758 100644
--- a/gcc/tree-core.h
+++ b/gcc/tree-core.h
@@ -98,6 +98,13 @@ struct die_struct;
/* Nonzero if this is a function expected to end with an exception. */
#define ECF_XTHROW (1 << 16)
+/* Flags for various callback attribute combinations. These constants are only
+ meant to be used for the construction of builtin functions. They were only
+ added because Fortran uses them for attributes of builtins. */
+
+/* callback(1, 2) */
+#define ECF_CB_1_2 (1 << 17)
+
/* Call argument flags. */
/* Nonzero if the argument is not used by the function. */