* tree.h (FUNCTION_NEEDS_STATIC_CHAIN): New macro.

From-SVN: r8936

gcc/tree.h

@@ -944,6 +944,13 @@ struct tree_type
    alternative would be passed.  */
 #define DECL_TRANSPARENT_UNION(NODE) ((NODE)->decl.transparent_union)
 
+/* In a FUNCTION_DECL, zero means it is a nested function that needs
+   a trampoline (closure).  If nonzero, it is a normal function.
+   (A nested function can be static if it doesn't need to reference
+   stack variables in a surrounding function.)
+   This is unrelated to whether a function is static in the C sense.  */
+#define FUNCTION_NEEDS_STATIC_CHAIN(NODE) ((NODE)->decl.transparent_union)
+
 /* Used in FUNCTION_DECLs to indicate that they should be run automatically
    at the beginning or end of execution.  */
 #define DECL_STATIC_CONSTRUCTOR(NODE) ((NODE)->decl.static_ctor_flag)