[v5,09/11,PR,gdb/14441] gdb: convert lvalue reference type check to general reference type check

diff --git a/gdb/aarch64-tdep.c b/gdb/aarch64-tdep.c
index 88fcf4b..59638c4 100644
--- a/gdb/aarch64-tdep.c
+++ b/gdb/aarch64-tdep.c
@@ -882,6 +882,7 @@  aarch64_type_align (struct type *t)
     case TYPE_CODE_RANGE:
     case TYPE_CODE_BITSTRING:
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
     case TYPE_CODE_CHAR:
     case TYPE_CODE_BOOL:
       return TYPE_LENGTH (t);
@@ -1599,7 +1600,7 @@  aarch64_extract_return_value (struct type *type, struct regcache *regs,
 	   || TYPE_CODE (type) == TYPE_CODE_CHAR
 	   || TYPE_CODE (type) == TYPE_CODE_BOOL
 	   || TYPE_CODE (type) == TYPE_CODE_PTR
-	   || TYPE_CODE (type) == TYPE_CODE_REF
+	   || TYPE_IS_REFERENCE (type)
 	   || TYPE_CODE (type) == TYPE_CODE_ENUM)
     {
       /* If the the type is a plain integer, then the access is
@@ -1737,7 +1738,7 @@  aarch64_store_return_value (struct type *type, struct regcache *regs,
 	   || TYPE_CODE (type) == TYPE_CODE_CHAR
 	   || TYPE_CODE (type) == TYPE_CODE_BOOL
 	   || TYPE_CODE (type) == TYPE_CODE_PTR
-	   || TYPE_CODE (type) == TYPE_CODE_REF
+	   || TYPE_IS_REFERENCE (type)
 	   || TYPE_CODE (type) == TYPE_CODE_ENUM)
     {
       if (TYPE_LENGTH (type) <= X_REGISTER_SIZE)
diff --git a/gdb/amd64-tdep.c b/gdb/amd64-tdep.c
index 6289d21..c689148 100644
--- a/gdb/amd64-tdep.c
+++ b/gdb/amd64-tdep.c
@@ -673,7 +673,7 @@  amd64_classify (struct type *type, enum amd64_reg_class theclass[2])
   if ((code == TYPE_CODE_INT || code == TYPE_CODE_ENUM
        || code == TYPE_CODE_BOOL || code == TYPE_CODE_RANGE
        || code == TYPE_CODE_CHAR
-       || code == TYPE_CODE_PTR || code == TYPE_CODE_REF)
+       || code == TYPE_CODE_PTR || TYPE_IS_REFERENCE (type))
       && (len == 1 || len == 2 || len == 4 || len == 8))
     theclass[0] = AMD64_INTEGER;
 
diff --git a/gdb/amd64-windows-tdep.c b/gdb/amd64-windows-tdep.c
index 1bec6de..e9ff49f 100644
--- a/gdb/amd64-windows-tdep.c
+++ b/gdb/amd64-windows-tdep.c
@@ -55,6 +55,7 @@  amd64_windows_passed_by_integer_register (struct type *type)
       case TYPE_CODE_CHAR:
       case TYPE_CODE_PTR:
       case TYPE_CODE_REF:
+      case TYPE_CODE_RVALUE_REF:
       case TYPE_CODE_STRUCT:
       case TYPE_CODE_UNION:
 	return (TYPE_LENGTH (type) == 1
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index 278f639..7e23ed1 100644
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -3343,6 +3343,7 @@  arm_type_align (struct type *t)
     case TYPE_CODE_SET:
     case TYPE_CODE_RANGE:
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
     case TYPE_CODE_CHAR:
     case TYPE_CODE_BOOL:
       return TYPE_LENGTH (t);
@@ -7899,7 +7900,7 @@  arm_extract_return_value (struct type *type, struct regcache *regs,
 	   || TYPE_CODE (type) == TYPE_CODE_CHAR
 	   || TYPE_CODE (type) == TYPE_CODE_BOOL
 	   || TYPE_CODE (type) == TYPE_CODE_PTR
-	   || TYPE_CODE (type) == TYPE_CODE_REF
+	   || TYPE_IS_REFERENCE (type)
 	   || TYPE_CODE (type) == TYPE_CODE_ENUM)
     {
       /* If the type is a plain integer, then the access is
@@ -8104,7 +8105,7 @@  arm_store_return_value (struct type *type, struct regcache *regs,
 	   || TYPE_CODE (type) == TYPE_CODE_CHAR
 	   || TYPE_CODE (type) == TYPE_CODE_BOOL
 	   || TYPE_CODE (type) == TYPE_CODE_PTR
-	   || TYPE_CODE (type) == TYPE_CODE_REF
+	   || TYPE_IS_REFERENCE (type)
 	   || TYPE_CODE (type) == TYPE_CODE_ENUM)
     {
       if (TYPE_LENGTH (type) <= 4)
diff --git a/gdb/ax-gdb.c b/gdb/ax-gdb.c
index 7c6cb64..7ec01e7 100644
--- a/gdb/ax-gdb.c
+++ b/gdb/ax-gdb.c
@@ -491,6 +491,7 @@  gen_fetch (struct agent_expr *ax, struct type *type)
     {
     case TYPE_CODE_PTR:
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
     case TYPE_CODE_ENUM:
     case TYPE_CODE_INT:
     case TYPE_CODE_CHAR:
@@ -1001,6 +1002,7 @@  gen_cast (struct agent_expr *ax, struct axs_value *value, struct type *type)
     {
     case TYPE_CODE_PTR:
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
       /* It's implementation-defined, and I'll bet this is what GCC
          does.  */
       break;
diff --git a/gdb/c-varobj.c b/gdb/c-varobj.c
index 48e16f9..f7bdee0 100644
--- a/gdb/c-varobj.c
+++ b/gdb/c-varobj.c
@@ -78,7 +78,7 @@  adjust_value_for_child_access (struct value **value,
      to us, is already supposed to be
      reference-stripped.  */
 
-  gdb_assert (TYPE_CODE (*type) != TYPE_CODE_REF);
+  gdb_assert (!TYPE_IS_REFERENCE (*type));
 
   /* Pointers to structures are treated just like
      structures when accessing children.  Don't
@@ -489,7 +489,7 @@  c_value_of_variable (const struct varobj *var,
   struct type *type = get_type (var);
 
   /* Strip top-level references.  */
-  while (TYPE_CODE (type) == TYPE_CODE_REF)
+  while (TYPE_IS_REFERENCE (type))
     type = check_typedef (TYPE_TARGET_TYPE (type));
 
   switch (TYPE_CODE (type))
@@ -586,7 +586,7 @@  cplus_number_of_children (const struct varobj *var)
       if (opts.objectprint)
         {
           value = var->value;
-          lookup_actual_type = (TYPE_CODE (var->type) == TYPE_CODE_REF
+          lookup_actual_type = (TYPE_IS_REFERENCE (var->type)
 				|| TYPE_CODE (var->type) == TYPE_CODE_PTR);
         }
       adjust_value_for_child_access (&value, &type, NULL, lookup_actual_type);
@@ -623,7 +623,7 @@  cplus_number_of_children (const struct varobj *var)
 	  const struct varobj *parent = var->parent;
 
 	  value = parent->value;
-	  lookup_actual_type = (TYPE_CODE (parent->type) == TYPE_CODE_REF
+	  lookup_actual_type = (TYPE_IS_REFERENCE (parent->type)
 				|| TYPE_CODE (parent->type) == TYPE_CODE_PTR);
         }
       adjust_value_for_child_access (&value, &type, NULL, lookup_actual_type);
@@ -728,7 +728,7 @@  cplus_describe_child (const struct varobj *parent, int index,
 
   var = (CPLUS_FAKE_CHILD (parent)) ? parent->parent : parent;
   if (opts.objectprint)
-    lookup_actual_type = (TYPE_CODE (var->type) == TYPE_CODE_REF
+    lookup_actual_type = (TYPE_IS_REFERENCE (var->type)
 			  || TYPE_CODE (var->type) == TYPE_CODE_PTR);
   value = var->value;
   type = varobj_get_value_type (var);
diff --git a/gdb/compile/compile-c-symbols.c b/gdb/compile/compile-c-symbols.c
index dcd530d..c06687f 100644
--- a/gdb/compile/compile-c-symbols.c
+++ b/gdb/compile/compile-c-symbols.c
@@ -593,7 +593,7 @@  generate_vla_size (struct compile_c_instance *compiler,
 {
   type = check_typedef (type);
 
-  if (TYPE_CODE (type) == TYPE_CODE_REF)
+  if (TYPE_IS_REFERENCE (type))
     type = check_typedef (TYPE_TARGET_TYPE (type));
 
   switch (TYPE_CODE (type))
diff --git a/gdb/completer.c b/gdb/completer.c
index 5c3b3fc..ec0f65d 100644
--- a/gdb/completer.c
+++ b/gdb/completer.c
@@ -610,8 +610,7 @@  expression_completer (struct cmd_list_element *ignore,
       for (;;)
 	{
 	  type = check_typedef (type);
-	  if (TYPE_CODE (type) != TYPE_CODE_PTR
-	      && TYPE_CODE (type) != TYPE_CODE_REF)
+	  if (TYPE_CODE (type) != TYPE_CODE_PTR && !TYPE_IS_REFERENCE (type))
 	    break;
 	  type = TYPE_TARGET_TYPE (type);
 	}
diff --git a/gdb/cp-support.c b/gdb/cp-support.c
index a917ede..eb02c02 100644
--- a/gdb/cp-support.c
+++ b/gdb/cp-support.c
@@ -1284,7 +1284,7 @@  make_symbol_overload_list_adl_namespace (struct type *type,
   int i, prefix_len;
 
   while (TYPE_CODE (type) == TYPE_CODE_PTR
-	 || TYPE_CODE (type) == TYPE_CODE_REF
+	 || TYPE_IS_REFERENCE (type)
          || TYPE_CODE (type) == TYPE_CODE_ARRAY
          || TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
     {
diff --git a/gdb/darwin-nat-info.c b/gdb/darwin-nat-info.c
index 314d265..4b4059a 100644
--- a/gdb/darwin-nat-info.c
+++ b/gdb/darwin-nat-info.c
@@ -732,7 +732,7 @@  info_mach_region_command (char *exp, int from_tty)
 
   expr = parse_expression (exp);
   val = evaluate_expression (expr);
-  if (TYPE_CODE (value_type (val)) == TYPE_CODE_REF)
+  if (TYPE_IS_REFERENCE (value_type (val)))
     {
       val = value_ind (val);
     }
diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c
index adb0ac2..cd7a683 100644
--- a/gdb/dwarf2loc.c
+++ b/gdb/dwarf2loc.c
@@ -1343,7 +1343,7 @@  entry_data_value_coerce_ref (const struct value *value)
   struct type *checked_type = check_typedef (value_type (value));
   struct value *target_val;
 
-  if (TYPE_CODE (checked_type) != TYPE_CODE_REF)
+  if (!TYPE_IS_REFERENCE (checked_type))
     return NULL;
 
   target_val = (struct value *) value_computed_closure (value);
@@ -1418,7 +1418,7 @@  value_of_dwarf_reg_entry (struct type *type, struct frame_info *frame,
      TYPE_CODE_REF with non-entry data value would give current value - not the
      entry value.  */
 
-  if (TYPE_CODE (checked_type) != TYPE_CODE_REF
+  if (!TYPE_IS_REFERENCE (checked_type)
       || TYPE_TARGET_TYPE (checked_type) == NULL)
     return outer_val;
 
diff --git a/gdb/eval.c b/gdb/eval.c
index 182a6c3..b73eb7f 100644
--- a/gdb/eval.c
+++ b/gdb/eval.c
@@ -640,7 +640,7 @@  static int
 ptrmath_type_p (const struct language_defn *lang, struct type *type)
 {
   type = check_typedef (type);
-  if (TYPE_CODE (type) == TYPE_CODE_REF)
+  if (TYPE_IS_REFERENCE (type))
     type = TYPE_TARGET_TYPE (type);
 
   switch (TYPE_CODE (type))
@@ -2510,7 +2510,7 @@  evaluate_subexp_standard (struct type *expect_type,
 	{
 	  type = check_typedef (value_type (arg1));
 	  if (TYPE_CODE (type) == TYPE_CODE_PTR
-	      || TYPE_CODE (type) == TYPE_CODE_REF
+	      || TYPE_IS_REFERENCE (type)
 	  /* In C you can dereference an array to get the 1st elt.  */
 	      || TYPE_CODE (type) == TYPE_CODE_ARRAY
 	    )
@@ -2788,7 +2788,7 @@  evaluate_subexp_standard (struct type *expect_type,
 	    {
 	      struct type *type = value_type (result);
 
-	      if (TYPE_CODE (check_typedef (type)) != TYPE_CODE_REF)
+	      if (!TYPE_IS_REFERENCE (type))
 		{
 		  type = lookup_lvalue_reference_type (type);
 		  result = allocate_value (type);
@@ -2891,7 +2891,7 @@  evaluate_subexp_for_address (struct expression *exp, int *pos,
 
       /* C++: The "address" of a reference should yield the address
        * of the object pointed to.  Let value_addr() deal with it.  */
-      if (TYPE_CODE (SYMBOL_TYPE (var)) == TYPE_CODE_REF)
+      if (TYPE_IS_REFERENCE (SYMBOL_TYPE (var)))
 	goto default_case;
 
       (*pos) += 4;
@@ -2930,7 +2930,7 @@  evaluate_subexp_for_address (struct expression *exp, int *pos,
 	{
 	  struct type *type = check_typedef (value_type (x));
 
-	  if (TYPE_CODE (type) == TYPE_CODE_REF)
+	  if (TYPE_IS_REFERENCE (type))
 	    return value_zero (lookup_pointer_type (TYPE_TARGET_TYPE (type)),
 			       not_lval);
 	  else if (VALUE_LVAL (x) == lval_memory || value_must_coerce_to_target (x))
@@ -3020,7 +3020,7 @@  evaluate_subexp_for_sizeof (struct expression *exp, int *pos,
       val = evaluate_subexp (NULL_TYPE, exp, pos, EVAL_AVOID_SIDE_EFFECTS);
       type = check_typedef (value_type (val));
       if (TYPE_CODE (type) != TYPE_CODE_PTR
-	  && TYPE_CODE (type) != TYPE_CODE_REF
+	  && !TYPE_IS_REFERENCE (type)
 	  && TYPE_CODE (type) != TYPE_CODE_ARRAY)
 	error (_("Attempt to take contents of a non-pointer value."));
       type = TYPE_TARGET_TYPE (type);
@@ -3092,7 +3092,7 @@  evaluate_subexp_for_sizeof (struct expression *exp, int *pos,
      the size of the referenced type."  */
   type = check_typedef (type);
   if (exp->language_defn->la_language == language_cplus
-      && TYPE_CODE (type) == TYPE_CODE_REF)
+      && (TYPE_IS_REFERENCE (type)))
     type = check_typedef (TYPE_TARGET_TYPE (type));
   return value_from_longest (size_type, (LONGEST) TYPE_LENGTH (type));
 }
diff --git a/gdb/findvar.c b/gdb/findvar.c
index a39d897..b9b8d05 100644
--- a/gdb/findvar.c
+++ b/gdb/findvar.c
@@ -169,8 +169,7 @@  extract_long_unsigned_integer (const gdb_byte *addr, int orig_len,
 CORE_ADDR
 extract_typed_address (const gdb_byte *buf, struct type *type)
 {
-  if (TYPE_CODE (type) != TYPE_CODE_PTR
-      && TYPE_CODE (type) != TYPE_CODE_REF)
+  if (TYPE_CODE (type) != TYPE_CODE_PTR && !TYPE_IS_REFERENCE (type))
     internal_error (__FILE__, __LINE__,
 		    _("extract_typed_address: "
 		    "type is not a pointer or reference"));
@@ -242,8 +241,7 @@  store_unsigned_integer (gdb_byte *addr, int len,
 void
 store_typed_address (gdb_byte *buf, struct type *type, CORE_ADDR addr)
 {
-  if (TYPE_CODE (type) != TYPE_CODE_PTR
-      && TYPE_CODE (type) != TYPE_CODE_REF)
+  if (TYPE_CODE (type) != TYPE_CODE_PTR && !TYPE_IS_REFERENCE (type))
     internal_error (__FILE__, __LINE__,
 		    _("store_typed_address: "
 		    "type is not a pointer or reference"));
diff --git a/gdb/gdbtypes.c b/gdb/gdbtypes.c
index ed31303..3058504 100644
--- a/gdb/gdbtypes.c
+++ b/gdb/gdbtypes.c
@@ -3511,10 +3511,11 @@  rank_one_type (struct type *parm, struct type *arg, struct value *value)
 
   /* See through references, since we can almost make non-references
      references.  */
-  if (TYPE_CODE (arg) == TYPE_CODE_REF)
+
+  if (TYPE_IS_REFERENCE (arg))
     return (sum_ranks (rank_one_type (parm, TYPE_TARGET_TYPE (arg), NULL),
                        REFERENCE_CONVERSION_BADNESS));
-  if (TYPE_CODE (parm) == TYPE_CODE_REF)
+  if (TYPE_IS_REFERENCE (parm))
     return (sum_ranks (rank_one_type (TYPE_TARGET_TYPE (parm), arg, NULL),
                        REFERENCE_CONVERSION_BADNESS));
   if (overload_debug)
diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c
index f879a25..49445a8 100644
--- a/gdb/hppa-tdep.c
+++ b/gdb/hppa-tdep.c
@@ -898,6 +898,7 @@  hppa64_integral_or_pointer_p (const struct type *type)
       }
     case TYPE_CODE_PTR:
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
       return (TYPE_LENGTH (type) == 8);
     default:
       break;
diff --git a/gdb/infcall.c b/gdb/infcall.c
index ad2512a..5a2a4a7 100644
--- a/gdb/infcall.c
+++ b/gdb/infcall.c
@@ -158,10 +158,11 @@  value_arg_coerce (struct gdbarch *gdbarch, struct value *arg,
   switch (TYPE_CODE (type))
     {
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
       {
 	struct value *new_value;
 
-	if (TYPE_CODE (arg_type) == TYPE_CODE_REF)
+	if (TYPE_IS_REFERENCE (arg_type))
 	  return value_cast_pointers (type, arg, 0);
 
 	/* Cast the value to the reference's target type, and then
diff --git a/gdb/language.c b/gdb/language.c
index 8469754..15ee998 100644
--- a/gdb/language.c
+++ b/gdb/language.c
@@ -410,8 +410,7 @@  language_info (int quietly)
 int
 pointer_type (struct type *type)
 {
-  return TYPE_CODE (type) == TYPE_CODE_PTR ||
-    TYPE_CODE (type) == TYPE_CODE_REF;
+  return TYPE_CODE (type) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (type);
 }
 
 
diff --git a/gdb/m32c-tdep.c b/gdb/m32c-tdep.c
index 59927a6..7f38a67 100644
--- a/gdb/m32c-tdep.c
+++ b/gdb/m32c-tdep.c
@@ -2030,7 +2030,7 @@  m32c_reg_arg_type (struct type *type)
   return (code == TYPE_CODE_INT
 	  || code == TYPE_CODE_ENUM
 	  || code == TYPE_CODE_PTR
-	  || code == TYPE_CODE_REF
+	  || TYPE_IS_REFERENCE (type)
 	  || code == TYPE_CODE_BOOL
 	  || code == TYPE_CODE_CHAR);
 }
@@ -2452,8 +2452,7 @@  m32c_m16c_address_to_pointer (struct gdbarch *gdbarch,
 {
   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   enum type_code target_code;
-  gdb_assert (TYPE_CODE (type) == TYPE_CODE_PTR ||
-	      TYPE_CODE (type) == TYPE_CODE_REF);
+  gdb_assert (TYPE_CODE (type) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (type));
 
   target_code = TYPE_CODE (TYPE_TARGET_TYPE (type));
 
@@ -2532,8 +2531,7 @@  m32c_m16c_pointer_to_address (struct gdbarch *gdbarch,
   CORE_ADDR ptr;
   enum type_code target_code;
 
-  gdb_assert (TYPE_CODE (type) == TYPE_CODE_PTR ||
-	      TYPE_CODE (type) == TYPE_CODE_REF);
+  gdb_assert (TYPE_CODE (type) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (type));
 
   ptr = extract_unsigned_integer (buf, TYPE_LENGTH (type), byte_order);
 
diff --git a/gdb/m88k-tdep.c b/gdb/m88k-tdep.c
index 1a3c2cd..2a90a3a 100644
--- a/gdb/m88k-tdep.c
+++ b/gdb/m88k-tdep.c
@@ -165,6 +165,7 @@  m88k_integral_or_pointer_p (const struct type *type)
       return 1;
     case TYPE_CODE_PTR:
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
       {
 	/* Allow only 32-bit pointers.  */
 	return (TYPE_LENGTH (type) == 4);
diff --git a/gdb/mn10300-tdep.c b/gdb/mn10300-tdep.c
index 9ef88a8..c0c4c35 100644
--- a/gdb/mn10300-tdep.c
+++ b/gdb/mn10300-tdep.c
@@ -96,6 +96,7 @@  mn10300_type_align (struct type *type)
     case TYPE_CODE_FLT:
     case TYPE_CODE_PTR:
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
       return TYPE_LENGTH (type);
 
     case TYPE_CODE_COMPLEX:
diff --git a/gdb/msp430-tdep.c b/gdb/msp430-tdep.c
index 84189dc..1d878d5 100644
--- a/gdb/msp430-tdep.c
+++ b/gdb/msp430-tdep.c
@@ -768,7 +768,7 @@  msp430_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
 
 		  if (code_model == MSP_LARGE_CODE_MODEL
 		      && (TYPE_CODE (arg_type) == TYPE_CODE_PTR
-		          || TYPE_CODE (arg_type) == TYPE_CODE_REF
+		          || TYPE_IS_REFERENCE (arg_type)
 			  || TYPE_CODE (arg_type) == TYPE_CODE_STRUCT
 			  || TYPE_CODE (arg_type) == TYPE_CODE_UNION))
 		    {
diff --git a/gdb/ppc-sysv-tdep.c b/gdb/ppc-sysv-tdep.c
index 140d993..20e2a40 100644
--- a/gdb/ppc-sysv-tdep.c
+++ b/gdb/ppc-sysv-tdep.c
@@ -805,7 +805,7 @@  do_ppc_sysv_return_value (struct gdbarch *gdbarch, struct type *func_type,
 	    || TYPE_CODE (type) == TYPE_CODE_CHAR
 	    || TYPE_CODE (type) == TYPE_CODE_BOOL
 	    || TYPE_CODE (type) == TYPE_CODE_PTR
-	    || TYPE_CODE (type) == TYPE_CODE_REF
+	    || TYPE_IS_REFERENCE (type)
 	    || TYPE_CODE (type) == TYPE_CODE_ENUM)
 	   && TYPE_LENGTH (type) <= tdep->wordsize)
     {
@@ -1493,7 +1493,7 @@  ppc64_sysv_abi_push_param (struct gdbarch *gdbarch,
 	    || TYPE_CODE (type) == TYPE_CODE_BOOL
 	    || TYPE_CODE (type) == TYPE_CODE_CHAR
 	    || TYPE_CODE (type) == TYPE_CODE_PTR
-	    || TYPE_CODE (type) == TYPE_CODE_REF)
+	    || TYPE_IS_REFERENCE (type))
 	   && TYPE_LENGTH (type) <= tdep->wordsize)
     {
       ULONGEST word = 0;
@@ -1999,8 +1999,7 @@  ppc64_sysv_abi_return_value (struct gdbarch *gdbarch, struct value *function,
     }
 
   /* All pointers live in r3.  */
-  if (TYPE_CODE (valtype) == TYPE_CODE_PTR
-      || TYPE_CODE (valtype) == TYPE_CODE_REF)
+  if (TYPE_CODE (valtype) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (valtype))
     {
       int regnum = tdep->ppc_gp0_regnum + 3;
 
diff --git a/gdb/printcmd.c b/gdb/printcmd.c
index f5c4211..8e6a1d8 100644
--- a/gdb/printcmd.c
+++ b/gdb/printcmd.c
@@ -1449,7 +1449,7 @@  x_command (char *exp, int from_tty)
 	*exp = 0;
       old_chain = make_cleanup (free_current_contents, &expr);
       val = evaluate_expression (expr);
-      if (TYPE_CODE (value_type (val)) == TYPE_CODE_REF)
+      if (TYPE_IS_REFERENCE (value_type (val)))
 	val = coerce_ref (val);
       /* In rvalue contexts, such as this, functions are coerced into
          pointers to functions.  This makes "x/i main" work.  */
diff --git a/gdb/python/py-type.c b/gdb/python/py-type.c
index 259bb70..835f1e4 100644
--- a/gdb/python/py-type.c
+++ b/gdb/python/py-type.c
@@ -486,8 +486,7 @@  typy_get_composite (struct type *type)
 	}
       END_CATCH
 
-      if (TYPE_CODE (type) != TYPE_CODE_PTR
-	  && TYPE_CODE (type) != TYPE_CODE_REF)
+      if (TYPE_CODE (type) != TYPE_CODE_PTR && !TYPE_IS_REFERENCE (type))
 	break;
       type = TYPE_TARGET_TYPE (type);
     }
@@ -967,7 +966,7 @@  typy_template_argument (PyObject *self, PyObject *args)
   TRY
     {
       type = check_typedef (type);
-      if (TYPE_CODE (type) == TYPE_CODE_REF)
+      if (TYPE_IS_REFERENCE (type))
 	type = check_typedef (TYPE_TARGET_TYPE (type));
     }
   CATCH (except, RETURN_MASK_ALL)
diff --git a/gdb/python/py-value.c b/gdb/python/py-value.c
index a422796..ee17ebf 100644
--- a/gdb/python/py-value.c
+++ b/gdb/python/py-value.c
@@ -217,6 +217,7 @@  valpy_referenced_value (PyObject *self, PyObject *args)
           res_val = value_ind (self_val);
           break;
         case TYPE_CODE_REF:
+        case TYPE_CODE_RVALUE_REF:
           res_val = coerce_ref (self_val);
           break;
         default:
@@ -370,8 +371,7 @@  valpy_get_dynamic_type (PyObject *self, void *closure)
       type = value_type (val);
       type = check_typedef (type);
 
-      if (((TYPE_CODE (type) == TYPE_CODE_PTR)
-	   || (TYPE_CODE (type) == TYPE_CODE_REF))
+      if (((TYPE_CODE (type) == TYPE_CODE_PTR) || TYPE_IS_REFERENCE (type))
 	  && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT))
 	{
 	  struct value *target;
@@ -1031,7 +1031,7 @@  enum valpy_opcode
 
 /* If TYPE is a reference, return the target; otherwise return TYPE.  */
 #define STRIP_REFERENCE(TYPE) \
-  ((TYPE_CODE (TYPE) == TYPE_CODE_REF) ? (TYPE_TARGET_TYPE (TYPE)) : (TYPE))
+  (TYPE_IS_REFERENCE (TYPE) ? (TYPE_TARGET_TYPE (TYPE)) : (TYPE))
 
 /* Helper for valpy_binop.  Returns a value object which is the result
    of applying the operation specified by OPCODE to the given
diff --git a/gdb/s390-linux-tdep.c b/gdb/s390-linux-tdep.c
index 2106333..cc08f61 100644
--- a/gdb/s390-linux-tdep.c
+++ b/gdb/s390-linux-tdep.c
@@ -3148,7 +3148,7 @@  s390_function_arg_integer (struct type *type)
       || code == TYPE_CODE_CHAR
       || code == TYPE_CODE_BOOL
       || code == TYPE_CODE_PTR
-      || code == TYPE_CODE_REF)
+      || TYPE_IS_REFERENCE (type))
     return 1;
 
   return ((code == TYPE_CODE_UNION || code == TYPE_CODE_STRUCT)
diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c
index 5a8acce..d85902a 100644
--- a/gdb/sparc-tdep.c
+++ b/gdb/sparc-tdep.c
@@ -225,6 +225,7 @@  sparc_integral_or_pointer_p (const struct type *type)
       return (len == 1 || len == 2 || len == 4 || len == 8);
     case TYPE_CODE_PTR:
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
       /* Allow either 32-bit or 64-bit pointers.  */
       return (len == 4 || len == 8);
     default:
diff --git a/gdb/sparc64-tdep.c b/gdb/sparc64-tdep.c
index 5e8f17d..382fbc5 100644
--- a/gdb/sparc64-tdep.c
+++ b/gdb/sparc64-tdep.c
@@ -67,6 +67,7 @@  sparc64_integral_or_pointer_p (const struct type *type)
       return 1;
     case TYPE_CODE_PTR:
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
       {
 	int len = TYPE_LENGTH (type);
 	gdb_assert (len == 8);
diff --git a/gdb/spu-tdep.c b/gdb/spu-tdep.c
index ea3229c..eb9a16d 100644
--- a/gdb/spu-tdep.c
+++ b/gdb/spu-tdep.c
@@ -1338,6 +1338,7 @@  spu_scalar_value_p (struct type *type)
     case TYPE_CODE_BOOL:
     case TYPE_CODE_PTR:
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
       return TYPE_LENGTH (type) <= 16;
 
     default:
diff --git a/gdb/symtab.c b/gdb/symtab.c
index f7a207a..b332670 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -2179,8 +2179,7 @@  lookup_symbol_aux (const char *name, const struct block *block,
 	  /* I'm not really sure that type of this can ever
 	     be typedefed; just be safe.  */
 	  t = check_typedef (t);
-	  if (TYPE_CODE (t) == TYPE_CODE_PTR
-	      || TYPE_CODE (t) == TYPE_CODE_REF)
+	  if (TYPE_CODE (t) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (t))
 	    t = TYPE_TARGET_TYPE (t);
 
 	  if (TYPE_CODE (t) != TYPE_CODE_STRUCT
diff --git a/gdb/typeprint.c b/gdb/typeprint.c
index 48a809b..366654e 100644
--- a/gdb/typeprint.c
+++ b/gdb/typeprint.c
@@ -463,8 +463,7 @@  whatis_exp (char *exp, int show)
   get_user_print_options (&opts);
   if (opts.objectprint)
     {
-      if (((TYPE_CODE (type) == TYPE_CODE_PTR)
-	   || (TYPE_CODE (type) == TYPE_CODE_REF))
+      if (((TYPE_CODE (type) == TYPE_CODE_PTR) || TYPE_IS_REFERENCE (type))
 	  && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT))
         real_type = value_rtti_indirect_type (val, &full, &top, &using_enc);
       else if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
@@ -581,6 +580,7 @@  print_type_scalar (struct type *type, LONGEST val, struct ui_file *stream)
     case TYPE_CODE_METHODPTR:
     case TYPE_CODE_METHOD:
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
     case TYPE_CODE_NAMESPACE:
       error (_("internal error: unhandled type in print_type_scalar"));
       break;
diff --git a/gdb/valarith.c b/gdb/valarith.c
index 254d998..337be9e 100644
--- a/gdb/valarith.c
+++ b/gdb/valarith.c
@@ -247,11 +247,11 @@  binop_types_user_defined_p (enum exp_opcode op,
     return 0;
 
   type1 = check_typedef (type1);
-  if (TYPE_CODE (type1) == TYPE_CODE_REF)
+  if (TYPE_IS_REFERENCE (type1))
     type1 = check_typedef (TYPE_TARGET_TYPE (type1));
 
   type2 = check_typedef (type2);
-  if (TYPE_CODE (type2) == TYPE_CODE_REF)
+  if (TYPE_IS_REFERENCE (type2))
     type2 = check_typedef (TYPE_TARGET_TYPE (type2));
 
   return (TYPE_CODE (type1) == TYPE_CODE_STRUCT
@@ -285,7 +285,7 @@  unop_user_defined_p (enum exp_opcode op, struct value *arg1)
   if (op == UNOP_ADDR)
     return 0;
   type1 = check_typedef (value_type (arg1));
-  if (TYPE_CODE (type1) == TYPE_CODE_REF)
+  if (TYPE_IS_REFERENCE (type1))
     type1 = check_typedef (TYPE_TARGET_TYPE (type1));
   return TYPE_CODE (type1) == TYPE_CODE_STRUCT;
 }
diff --git a/gdb/valops.c b/gdb/valops.c
index c2fc0db..f1b6c5f 100644
--- a/gdb/valops.c
+++ b/gdb/valops.c
@@ -317,7 +317,7 @@  value_cast_pointers (struct type *type, struct value *arg2,
     {
       struct value *v2;
 
-      if (TYPE_CODE (type2) == TYPE_CODE_REF)
+      if (TYPE_IS_REFERENCE (type2))
 	v2 = coerce_ref (arg2);
       else
 	v2 = value_ind (arg2);
@@ -360,24 +360,20 @@  value_cast (struct type *type, struct value *arg2)
   if (value_type (arg2) == type)
     return arg2;
 
-  code1 = TYPE_CODE (check_typedef (type));
-
   /* Check if we are casting struct reference to struct reference.  */
-  if (code1 == TYPE_CODE_REF)
+  if (TYPE_IS_REFERENCE (check_typedef (type)))
     {
       /* We dereference type; then we recurse and finally
          we generate value of the given reference.  Nothing wrong with 
 	 that.  */
       struct type *t1 = check_typedef (type);
       struct type *dereftype = check_typedef (TYPE_TARGET_TYPE (t1));
-      struct value *val =  value_cast (dereftype, arg2);
+      struct value *val = value_cast (dereftype, arg2);
 
       return value_ref (val, TYPE_CODE (t1));
     }
 
-  code2 = TYPE_CODE (check_typedef (value_type (arg2)));
-
-  if (code2 == TYPE_CODE_REF)
+  if (TYPE_IS_REFERENCE (check_typedef (value_type (arg2))))
     /* We deref the value and then do the cast.  */
     return value_cast (type, coerce_ref (arg2)); 
 
@@ -388,7 +384,7 @@  value_cast (struct type *type, struct value *arg2)
 
   /* You can't cast to a reference type.  See value_cast_pointers
      instead.  */
-  gdb_assert (code1 != TYPE_CODE_REF);
+  gdb_assert (!TYPE_IS_REFERENCE (type));
 
   /* A cast to an undetermined-length array_type, such as 
      (TYPE [])OBJECT, is treated like a cast to (TYPE [N])OBJECT,
@@ -591,8 +587,8 @@  value_reinterpret_cast (struct type *type, struct value *arg)
   dest_type = type;
 
   /* If we are casting to a reference type, transform
-     reinterpret_cast<T&>(V) to *reinterpret_cast<T*>(&V).  */
-  if (TYPE_CODE (real_type) == TYPE_CODE_REF)
+     reinterpret_cast<T&[&]>(V) to *reinterpret_cast<T*>(&V).  */
+  if (TYPE_IS_REFERENCE (real_type))
     {
       is_ref = 1;
       arg = value_addr (arg);
@@ -730,10 +726,10 @@  value_dynamic_cast (struct type *type, struct value *arg)
   struct type *class_type, *rtti_type;
   struct value *result, *tem, *original_arg = arg;
   CORE_ADDR addr;
-  int is_ref = TYPE_CODE (resolved_type) == TYPE_CODE_REF;
+  int is_ref = TYPE_IS_REFERENCE (resolved_type);
 
   if (TYPE_CODE (resolved_type) != TYPE_CODE_PTR
-      && TYPE_CODE (resolved_type) != TYPE_CODE_REF)
+      && !TYPE_IS_REFERENCE (resolved_type))
     error (_("Argument to dynamic_cast must be a pointer or reference type"));
   if (TYPE_CODE (TYPE_TARGET_TYPE (resolved_type)) != TYPE_CODE_VOID
       && TYPE_CODE (TYPE_TARGET_TYPE (resolved_type)) != TYPE_CODE_STRUCT)
@@ -1468,7 +1464,7 @@  value_addr (struct value *arg1)
   struct value *arg2;
   struct type *type = check_typedef (value_type (arg1));
 
-  if (TYPE_CODE (type) == TYPE_CODE_REF)
+  if (TYPE_IS_REFERENCE (type))
     {
       if (value_bits_synthetic_pointer (arg1, value_embedded_offset (arg1),
 	  TARGET_CHAR_BIT * TYPE_LENGTH (type)))
@@ -1734,7 +1730,7 @@  typecmp (int staticp, int varargs, int nargs,
       tt1 = check_typedef (t1[i].type);
       tt2 = check_typedef (value_type (t2[i]));
 
-      if (TYPE_CODE (tt1) == TYPE_CODE_REF
+      if (TYPE_IS_REFERENCE (tt1)
 	  /* We should be doing hairy argument matching, as below.  */
 	  && (TYPE_CODE (check_typedef (TYPE_TARGET_TYPE (tt1)))
 	      == TYPE_CODE (tt2)))
@@ -1752,14 +1748,13 @@  typecmp (int staticp, int varargs, int nargs,
 	 char *>, and properly access map["hello"], because the
 	 argument to [] will be a reference to a pointer to a char,
 	 and the argument will be a pointer to a char.  */
-      while (TYPE_CODE(tt1) == TYPE_CODE_REF
-	     || TYPE_CODE (tt1) == TYPE_CODE_PTR)
+      while (TYPE_IS_REFERENCE (tt1) || TYPE_CODE (tt1) == TYPE_CODE_PTR)
 	{
 	  tt1 = check_typedef( TYPE_TARGET_TYPE(tt1) );
 	}
       while (TYPE_CODE(tt2) == TYPE_CODE_ARRAY
 	     || TYPE_CODE(tt2) == TYPE_CODE_PTR
-	     || TYPE_CODE(tt2) == TYPE_CODE_REF)
+	     || TYPE_IS_REFERENCE (tt2))
 	{
 	  tt2 = check_typedef (TYPE_TARGET_TYPE(tt2));
 	}
@@ -2151,7 +2146,7 @@  value_struct_elt (struct value **argp, struct value **args,
 
   /* Follow pointers until we get to a non-pointer.  */
 
-  while (TYPE_CODE (t) == TYPE_CODE_PTR || TYPE_CODE (t) == TYPE_CODE_REF)
+  while (TYPE_CODE (t) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (t))
     {
       *argp = value_ind (*argp);
       /* Don't coerce fn pointer to fn and then back again!  */
@@ -2238,7 +2233,7 @@  value_struct_elt_bitpos (struct value **argp, int bitpos, struct type *ftype,
 
   t = check_typedef (value_type (*argp));
 
-  while (TYPE_CODE (t) == TYPE_CODE_PTR || TYPE_CODE (t) == TYPE_CODE_REF)
+  while (TYPE_CODE (t) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (t))
     {
       *argp = value_ind (*argp);
       if (TYPE_CODE (check_typedef (value_type (*argp))) != TYPE_CODE_FUNC)
@@ -2399,7 +2394,7 @@  value_find_oload_method_list (struct value **argp, const char *method,
   t = check_typedef (value_type (*argp));
 
   /* Code snarfed from value_struct_elt.  */
-  while (TYPE_CODE (t) == TYPE_CODE_PTR || TYPE_CODE (t) == TYPE_CODE_REF)
+  while (TYPE_CODE (t) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (t))
     {
       *argp = value_ind (*argp);
       /* Don't coerce fn pointer to fn and then back again!  */
@@ -2808,7 +2803,7 @@  find_overload_match (struct value **args, int nargs,
 
       if (TYPE_CODE (temp_type) != TYPE_CODE_PTR
 	  && (TYPE_CODE (objtype) == TYPE_CODE_PTR
-	      || TYPE_CODE (objtype) == TYPE_CODE_REF))
+	      || TYPE_IS_REFERENCE (objtype)))
 	{
 	  temp = value_addr (temp);
 	}
@@ -3604,7 +3599,7 @@  value_rtti_indirect_type (struct value *v, int *full,
 
   type = value_type (v);
   type = check_typedef (type);
-  if (TYPE_CODE (type) == TYPE_CODE_REF)
+  if (TYPE_IS_REFERENCE (type))
     target = coerce_ref (v);
   else if (TYPE_CODE (type) == TYPE_CODE_PTR)
     {
@@ -3637,8 +3632,8 @@  value_rtti_indirect_type (struct value *v, int *full,
       target_type = value_type (target);
       real_type = make_cv_type (TYPE_CONST (target_type),
 				TYPE_VOLATILE (target_type), real_type, NULL);
-      if (TYPE_CODE (type) == TYPE_CODE_REF)
-        real_type = lookup_lvalue_reference_type (real_type);
+      if (TYPE_IS_REFERENCE (type))
+        real_type = lookup_reference_type (real_type, TYPE_CODE (type));
       else if (TYPE_CODE (type) == TYPE_CODE_PTR)
         real_type = lookup_pointer_type (real_type);
       else
diff --git a/gdb/valprint.c b/gdb/valprint.c
index 64407e8..af58b15 100644
--- a/gdb/valprint.c
+++ b/gdb/valprint.c
@@ -280,7 +280,7 @@  int
 val_print_scalar_type_p (struct type *type)
 {
   type = check_typedef (type);
-  while (TYPE_CODE (type) == TYPE_CODE_REF)
+  while (TYPE_IS_REFERENCE (type))
     {
       type = TYPE_TARGET_TYPE (type);
       type = check_typedef (type);
@@ -534,7 +534,7 @@  get_value_addr_contents (struct value *deref_val)
     }
 }
 
-/* generic_val_print helper for TYPE_CODE_REF.  */
+/* generic_val_print helper for TYPE_CODE_{RVALUE_,}REF.  */
 
 static void
 generic_val_print_ref (struct type *type, const gdb_byte *valaddr,
@@ -934,6 +934,7 @@  generic_val_print (struct type *type, const gdb_byte *valaddr,
       break;
 
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
       generic_val_print_ref (type, valaddr, embedded_offset, stream, recurse,
 			     original_value, options);
       break;
diff --git a/gdb/value.c b/gdb/value.c
index 35fb503..e6a8e49 100644
--- a/gdb/value.c
+++ b/gdb/value.c
@@ -1202,8 +1202,7 @@  value_actual_type (struct value *value, int resolve_simple_types,
     {
       /* If result's target type is TYPE_CODE_STRUCT, proceed to
 	 fetch its rtti type.  */
-      if ((TYPE_CODE (result) == TYPE_CODE_PTR
-	   || TYPE_CODE (result) == TYPE_CODE_REF)
+      if ((TYPE_CODE (result) == TYPE_CODE_PTR || TYPE_IS_REFERENCE (result))
 	  && TYPE_CODE (check_typedef (TYPE_TARGET_TYPE (result)))
 	     == TYPE_CODE_STRUCT
 	  && !value_optimized_out (value))
@@ -2887,7 +2886,7 @@  value_as_address (struct value *val)
      ABI-specific code is a more reasonable place to handle it.  */
 
   if (TYPE_CODE (value_type (val)) != TYPE_CODE_PTR
-      && TYPE_CODE (value_type (val)) != TYPE_CODE_REF
+      && !TYPE_IS_REFERENCE (value_type (val))
       && gdbarch_integer_to_address_p (gdbarch))
     return gdbarch_integer_to_address (gdbarch, value_type (val),
 				       value_contents (val));
@@ -2944,6 +2943,7 @@  unpack_long (struct type *type, const gdb_byte *valaddr)
 
     case TYPE_CODE_PTR:
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
       /* Assume a CORE_ADDR can fit in a LONGEST (for now).  Not sure
          whether we want this to be true eventually.  */
       return extract_typed_address (valaddr, type);
@@ -3544,6 +3544,7 @@  pack_long (gdb_byte *buf, struct type *type, LONGEST num)
       break;
 
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
     case TYPE_CODE_PTR:
       store_typed_address (buf, type, (CORE_ADDR) num);
       break;
@@ -3580,6 +3581,7 @@  pack_unsigned_long (gdb_byte *buf, struct type *type, ULONGEST num)
       break;
 
     case TYPE_CODE_REF:
+    case TYPE_CODE_RVALUE_REF:
     case TYPE_CODE_PTR:
       store_typed_address (buf, type, (CORE_ADDR) num);
       break;
@@ -3787,7 +3789,7 @@  coerce_ref_if_computed (const struct value *arg)
 {
   const struct lval_funcs *funcs;
 
-  if (TYPE_CODE (check_typedef (value_type (arg))) != TYPE_CODE_REF)
+  if (!TYPE_IS_REFERENCE (check_typedef (value_type (arg))))
     return NULL;
 
   if (value_lval_const (arg) != lval_computed)
@@ -3829,7 +3831,7 @@  coerce_ref (struct value *arg)
   if (retval)
     return retval;
 
-  if (TYPE_CODE (value_type_arg_tmp) != TYPE_CODE_REF)
+  if (!TYPE_IS_REFERENCE (value_type_arg_tmp))
     return arg;
 
   enc_type = check_typedef (value_enclosing_type (arg));
diff --git a/gdb/varobj.c b/gdb/varobj.c
index 6f56cba..2917432 100644
--- a/gdb/varobj.c
+++ b/gdb/varobj.c
@@ -2176,7 +2176,7 @@  varobj_get_value_type (const struct varobj *var)
 
   type = check_typedef (type);
 
-  if (TYPE_CODE (type) == TYPE_CODE_REF)
+  if (TYPE_IS_REFERENCE (type))
     type = get_target_type (type);
 
   type = check_typedef (type);