+2013-11-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * tree-core.h (tree_base): Document use of static_flag for SSA_NAME.
+ * tree.h (SSA_NAME_ANTI_RANGE_P, SSA_NAME_RANGE_TYPE): New macros.
+ * tree-ssanames.h (set_range_info): Add range_type argument.
+ (duplicate_ssa_name_range_info): Likewise.
+ * tree-ssanames.c (set_range_info): Take the range type as argument
+ and store it in SSA_NAME_ANTI_RANGE_P.
+ (duplicate_ssa_name_range_info): Likewise.
+ (get_range_info): Use SSA_NAME_ANTI_RANGE_P.
+ (set_nonzero_bits): Update call to set_range_info.
+ (duplicate_ssa_name_fn): Update call to duplicate_ssa_name_range_info.
+ * tree-ssa-copy.c (fini_copy_prop): Likewise.
+ * tree-vrp.c (remove_range_assertions): Update call to set_range_info.
+ (vrp_finalize): Likewise, passing anti-ranges directly.
+