/* VAR_DECL/PARM_DECL DEBUG_IMPLICIT_PTR takes address of. */
#define DEBUG_IMPLICIT_PTR_DECL(RTX) XCTREE (RTX, 0, DEBUG_IMPLICIT_PTR)
+/* PARM_DECL DEBUG_PARAMETER_REF references. */
+#define DEBUG_PARAMETER_REF_DECL(RTX) XCTREE (RTX, 0, DEBUG_PARAMETER_REF)
+
/* Possible initialization status of a variable. When requested
by the user, this information is tracked and recorded in the DWARF
debug information, along with the variable's location. */