Add BINFO_VPTR_FIELD definition.

From-SVN: r2077

diff --git a/gcc/tree.h b/gcc/tree.h
index 1e51022957589cf6bb2f4532618b5c4571b966dc..06ef89764b2992c732e6aeba70a86682c5a1adf4 100644 (file)
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -654,6 +654,12 @@ struct tree_type
 #define BINFO_BASETYPES(NODE) TREE_VEC_ELT ((NODE), 4)
 #define TYPE_BINFO_BASETYPES(NODE) TREE_VEC_ELT (TYPE_BINFO (NODE), 4)
 
+/* For a BINFO record describing an inheritance, this yields a pointer
+   to the artificial FIELD_DECL node which contains the "virtual base
+   class pointer" for the given inheritance.  */
+
+#define BINFO_VPTR_FIELD(NODE) TREE_VEC_ELT ((NODE), 5)
+
 /* Accessor macro to get to the Nth basetype of this basetype.  */
 #define BINFO_BASETYPE(NODE,N) TREE_VEC_ELT (BINFO_BASETYPES (NODE), (N))
 #define TYPE_BINFO_BASETYPE(NODE,N) BINFO_TYPE (TREE_VEC_ELT (BINFO_BASETYPES (TYPE_BINFO (NODE)), (N)))