This patch implements built-in trait for std::is_member_pointer.

gcc/cp/ChangeLog:

        * cp-trait.def: Define __is_member_pointer.
        * cp-trait.gperf: Reflect cp-trait.def change.
        * cp-trait.h: Likewise.
        * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_MEMBER_POINTER.
        * semantics.cc (trait_expr_value): Likewise.
        (finish_trait_expr): Likewise.

gcc/testsuite/ChangeLog:

        * g++.dg/ext/has-builtin-1.C: Test existence of __is_member_pointer.
        * g++.dg/ext/is_member_pointer.C: New test.

Signed-off-by: Ken Matsui <kmat...@gcc.gnu.org>
---
 gcc/cp/constraint.cc                         |   3 +
 gcc/cp/cp-trait.def                          |   1 +
 gcc/cp/cp-trait.gperf                        |   1 +
 gcc/cp/cp-trait.h                            | 153 ++++++++++---------
 gcc/cp/semantics.cc                          |   4 +
 gcc/testsuite/g++.dg/ext/has-builtin-1.C     |   3 +
 gcc/testsuite/g++.dg/ext/is_member_pointer.C |  30 ++++
 7 files changed, 120 insertions(+), 75 deletions(-)
 create mode 100644 gcc/testsuite/g++.dg/ext/is_member_pointer.C

diff --git a/gcc/cp/constraint.cc b/gcc/cp/constraint.cc
index 1c0b2e0f178..f0d3f89464c 100644
--- a/gcc/cp/constraint.cc
+++ b/gcc/cp/constraint.cc
@@ -3756,6 +3756,9 @@ diagnose_trait_expr (tree expr, tree args)
     case CPTK_IS_LITERAL_TYPE:
       inform (loc, "  %qT is not a literal type", t1);
       break;
+    case CPTK_IS_MEMBER_POINTER:
+      inform (loc, "  %qT is not a member pointer", t1);
+      break;
     case CPTK_IS_NOTHROW_ASSIGNABLE:
       inform (loc, "  %qT is not nothrow assignable from %qT", t1, t2);
       break;
diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def
index e0e3fe1d23f..26087da3bdf 100644
--- a/gcc/cp/cp-trait.def
+++ b/gcc/cp/cp-trait.def
@@ -72,6 +72,7 @@ DEFTRAIT_EXPR (IS_ENUM, "__is_enum", 1)
 DEFTRAIT_EXPR (IS_FINAL, "__is_final", 1)
 DEFTRAIT_EXPR (IS_LAYOUT_COMPATIBLE, "__is_layout_compatible", 2)
 DEFTRAIT_EXPR (IS_LITERAL_TYPE, "__is_literal_type", 1)
+DEFTRAIT_EXPR (IS_MEMBER_POINTER, "__is_member_pointer", 1)
 DEFTRAIT_EXPR (IS_NOTHROW_ASSIGNABLE, "__is_nothrow_assignable", 2)
 DEFTRAIT_EXPR (IS_NOTHROW_CONSTRUCTIBLE, "__is_nothrow_constructible", -1)
 DEFTRAIT_EXPR (IS_NOTHROW_CONVERTIBLE, "__is_nothrow_convertible", 2)
diff --git a/gcc/cp/cp-trait.gperf b/gcc/cp/cp-trait.gperf
index f3fd82ba549..3775b11283d 100644
--- a/gcc/cp/cp-trait.gperf
+++ b/gcc/cp/cp-trait.gperf
@@ -52,6 +52,7 @@ struct cp_trait {
 "__is_final", CPTK_IS_FINAL, 1, false
 "__is_layout_compatible", CPTK_IS_LAYOUT_COMPATIBLE, 2, false
 "__is_literal_type", CPTK_IS_LITERAL_TYPE, 1, false
+"__is_member_pointer", CPTK_IS_MEMBER_POINTER, 1, false
 "__is_nothrow_assignable", CPTK_IS_NOTHROW_ASSIGNABLE, 2, false
 "__is_nothrow_constructible", CPTK_IS_NOTHROW_CONSTRUCTIBLE, -1, false
 "__is_nothrow_convertible", CPTK_IS_NOTHROW_CONVERTIBLE, 2, false
diff --git a/gcc/cp/cp-trait.h b/gcc/cp/cp-trait.h
index 9c18165eb68..dfd60cec6e6 100644
--- a/gcc/cp/cp-trait.h
+++ b/gcc/cp/cp-trait.h
@@ -54,7 +54,7 @@ struct cp_trait {
   short arity;
   bool type;
 };
-/* maximum key range = 92, duplicates = 0 */
+/* maximum key range = 111, duplicates = 0 */
 
 class cp_trait_lookup
 {
@@ -69,32 +69,32 @@ cp_trait_lookup::hash (const char *str, size_t len)
 {
   static const unsigned char asso_values[] =
     {
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 20, 99,  0,  5, 50,
-      30,  0, 40, 15, 99,  0, 99, 99,  5, 10,
-      30,  0,  5, 99, 10, 50,  5,  0, 35, 99,
-      99,  5, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
-      99, 99, 99, 99, 99, 99
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118,  20, 118,   0,  55,  50,
+       40,   0,  40,  20, 118,   0, 118, 118,   5,   5,
+       30,   0,   5, 118,  10,  50,   5,   0,   5, 118,
+      118,   5, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118, 118, 118, 118, 118,
+      118, 118, 118, 118, 118, 118
     };
   unsigned int hval = len;
 
@@ -116,69 +116,67 @@ cp_trait_lookup::find (const char *str, size_t len)
 {
   enum
     {
-      TOTAL_KEYWORDS = 51,
+      TOTAL_KEYWORDS = 52,
       MIN_WORD_LENGTH = 7,
       MAX_WORD_LENGTH = 37,
       MIN_HASH_VALUE = 7,
-      MAX_HASH_VALUE = 98
+      MAX_HASH_VALUE = 117
     };
 
   static const struct cp_trait wordlist[] =
     {
-#line 79 "../../gcc/cp/cp-trait.gperf"
+#line 80 "../../gcc/cp/cp-trait.gperf"
       {"__bases", CPTK_BASES, 1, true},
 #line 51 "../../gcc/cp/cp-trait.gperf"
       {"__is_enum", CPTK_IS_ENUM, 1, false},
-#line 69 "../../gcc/cp/cp-trait.gperf"
+#line 70 "../../gcc/cp/cp-trait.gperf"
       {"__is_union", CPTK_IS_UNION, 1, false},
-#line 73 "../../gcc/cp/cp-trait.gperf"
-      {"__remove_cv", CPTK_REMOVE_CV, 1, true},
 #line 74 "../../gcc/cp/cp-trait.gperf"
+      {"__remove_cv", CPTK_REMOVE_CV, 1, true},
+#line 75 "../../gcc/cp/cp-trait.gperf"
       {"__remove_cvref", CPTK_REMOVE_CVREF, 1, true},
 #line 50 "../../gcc/cp/cp-trait.gperf"
       {"__is_empty", CPTK_IS_EMPTY, 1, false},
-#line 64 "../../gcc/cp/cp-trait.gperf"
+#line 65 "../../gcc/cp/cp-trait.gperf"
       {"__is_trivial", CPTK_IS_TRIVIAL, 1, false},
-#line 75 "../../gcc/cp/cp-trait.gperf"
+#line 76 "../../gcc/cp/cp-trait.gperf"
       {"__remove_reference", CPTK_REMOVE_REFERENCE, 1, true},
-#line 80 "../../gcc/cp/cp-trait.gperf"
+#line 81 "../../gcc/cp/cp-trait.gperf"
       {"__direct_bases", CPTK_DIRECT_BASES, 1, true},
 #line 42 "../../gcc/cp/cp-trait.gperf"
       {"__is_array", CPTK_IS_ARRAY, 1, false},
-#line 77 "../../gcc/cp/cp-trait.gperf"
+#line 78 "../../gcc/cp/cp-trait.gperf"
       {"__underlying_type", CPTK_UNDERLYING_TYPE, 1, true},
-#line 45 "../../gcc/cp/cp-trait.gperf"
-      {"__is_bounded_array", CPTK_IS_BOUNDED_ARRAY, 1, false},
-#line 76 "../../gcc/cp/cp-trait.gperf"
+#line 71 "../../gcc/cp/cp-trait.gperf"
+      {"__is_volatile", CPTK_IS_VOLATILE, 1, false},
+#line 77 "../../gcc/cp/cp-trait.gperf"
       {"__type_pack_element", CPTK_TYPE_PACK_ELEMENT, -1, true},
-#line 68 "../../gcc/cp/cp-trait.gperf"
-      {"__is_unbounded_array", CPTK_IS_UNBOUNDED_ARRAY, 1, false},
-#line 60 "../../gcc/cp/cp-trait.gperf"
+#line 61 "../../gcc/cp/cp-trait.gperf"
       {"__is_polymorphic", CPTK_IS_POLYMORPHIC, 1, false},
 #line 54 "../../gcc/cp/cp-trait.gperf"
       {"__is_literal_type", CPTK_IS_LITERAL_TYPE, 1, false},
-#line 67 "../../gcc/cp/cp-trait.gperf"
+#line 68 "../../gcc/cp/cp-trait.gperf"
       {"__is_trivially_copyable", CPTK_IS_TRIVIALLY_COPYABLE, 1, false},
-#line 41 "../../gcc/cp/cp-trait.gperf"
-      {"__is_aggregate", CPTK_IS_AGGREGATE, 1, false},
-#line 65 "../../gcc/cp/cp-trait.gperf"
+#line 55 "../../gcc/cp/cp-trait.gperf"
+      {"__is_member_pointer", CPTK_IS_MEMBER_POINTER, 1, false},
+#line 66 "../../gcc/cp/cp-trait.gperf"
       {"__is_trivially_assignable", CPTK_IS_TRIVIALLY_ASSIGNABLE, 2, false},
 #line 53 "../../gcc/cp/cp-trait.gperf"
       {"__is_layout_compatible", CPTK_IS_LAYOUT_COMPATIBLE, 2, false},
-#line 66 "../../gcc/cp/cp-trait.gperf"
+#line 67 "../../gcc/cp/cp-trait.gperf"
       {"__is_trivially_constructible", CPTK_IS_TRIVIALLY_CONSTRUCTIBLE, -1, 
false},
-#line 72 "../../gcc/cp/cp-trait.gperf"
+#line 41 "../../gcc/cp/cp-trait.gperf"
+      {"__is_aggregate", CPTK_IS_AGGREGATE, 1, false},
+#line 73 "../../gcc/cp/cp-trait.gperf"
       {"__reference_converts_from_temporary", 
CPTK_REF_CONVERTS_FROM_TEMPORARY, 2, false},
-#line 71 "../../gcc/cp/cp-trait.gperf"
+#line 72 "../../gcc/cp/cp-trait.gperf"
       {"__reference_constructs_from_temporary", 
CPTK_REF_CONSTRUCTS_FROM_TEMPORARY, 2, false},
 #line 33 "../../gcc/cp/cp-trait.gperf"
       {"__has_nothrow_copy", CPTK_HAS_NOTHROW_COPY, 1, false},
 #line 31 "../../gcc/cp/cp-trait.gperf"
       {"__has_nothrow_assign", CPTK_HAS_NOTHROW_ASSIGN, 1, false},
-#line 58 "../../gcc/cp/cp-trait.gperf"
-      {"__is_pointer_interconvertible_base_of", 
CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF, 2, false},
 #line 59 "../../gcc/cp/cp-trait.gperf"
-      {"__is_pod", CPTK_IS_POD, 1, false},
+      {"__is_pointer_interconvertible_base_of", 
CPTK_IS_POINTER_INTERCONVERTIBLE_BASE_OF, 2, false},
 #line 39 "../../gcc/cp/cp-trait.gperf"
       {"__has_virtual_destructor", CPTK_HAS_VIRTUAL_DESTRUCTOR, 1, false},
 #line 32 "../../gcc/cp/cp-trait.gperf"
@@ -187,58 +185,63 @@ cp_trait_lookup::find (const char *str, size_t len)
       {"__has_trivial_copy", CPTK_HAS_TRIVIAL_COPY, 1, false},
 #line 34 "../../gcc/cp/cp-trait.gperf"
       {"__has_trivial_assign", CPTK_HAS_TRIVIAL_ASSIGN, 1, false},
-#line 70 "../../gcc/cp/cp-trait.gperf"
-      {"__is_volatile", CPTK_IS_VOLATILE, 1, false},
+#line 60 "../../gcc/cp/cp-trait.gperf"
+      {"__is_pod", CPTK_IS_POD, 1, false},
 #line 37 "../../gcc/cp/cp-trait.gperf"
       {"__has_trivial_destructor", CPTK_HAS_TRIVIAL_DESTRUCTOR, 1, false},
 #line 35 "../../gcc/cp/cp-trait.gperf"
       {"__has_trivial_constructor", CPTK_HAS_TRIVIAL_CONSTRUCTOR, 1, false},
-#line 55 "../../gcc/cp/cp-trait.gperf"
+#line 56 "../../gcc/cp/cp-trait.gperf"
       {"__is_nothrow_assignable", CPTK_IS_NOTHROW_ASSIGNABLE, 2, false},
-#line 57 "../../gcc/cp/cp-trait.gperf"
+#line 58 "../../gcc/cp/cp-trait.gperf"
       {"__is_nothrow_convertible", CPTK_IS_NOTHROW_CONVERTIBLE, 2, false},
 #line 46 "../../gcc/cp/cp-trait.gperf"
       {"__is_class", CPTK_IS_CLASS, 1, false},
-#line 56 "../../gcc/cp/cp-trait.gperf"
+#line 57 "../../gcc/cp/cp-trait.gperf"
       {"__is_nothrow_constructible", CPTK_IS_NOTHROW_CONSTRUCTIBLE, -1, false},
 #line 40 "../../gcc/cp/cp-trait.gperf"
       {"__is_abstract", CPTK_IS_ABSTRACT, 1, false},
-#line 43 "../../gcc/cp/cp-trait.gperf"
-      {"__is_assignable", CPTK_IS_ASSIGNABLE, 2, false},
 #line 62 "../../gcc/cp/cp-trait.gperf"
-      {"__is_scoped_enum", CPTK_IS_SCOPED_ENUM, 1, false},
-#line 44 "../../gcc/cp/cp-trait.gperf"
-      {"__is_base_of", CPTK_IS_BASE_OF, 2, false},
-#line 61 "../../gcc/cp/cp-trait.gperf"
       {"__is_same", CPTK_IS_SAME, 2, false},
+#line 43 "../../gcc/cp/cp-trait.gperf"
+      {"__is_assignable", CPTK_IS_ASSIGNABLE, 2, false},
 #line 63 "../../gcc/cp/cp-trait.gperf"
-      {"__is_standard_layout", CPTK_IS_STD_LAYOUT, 1, false},
+      {"__is_scoped_enum", CPTK_IS_SCOPED_ENUM, 1, false},
 #line 30 "../../gcc/cp/cp-trait.gperf"
       {"__is_same_as", CPTK_IS_SAME, 2, false},
-#line 78 "../../gcc/cp/cp-trait.gperf"
-      {"__is_deducible ", CPTK_IS_DEDUCIBLE, 2, false},
+#line 64 "../../gcc/cp/cp-trait.gperf"
+      {"__is_standard_layout", CPTK_IS_STD_LAYOUT, 1, false},
+#line 45 "../../gcc/cp/cp-trait.gperf"
+      {"__is_bounded_array", CPTK_IS_BOUNDED_ARRAY, 1, false},
+#line 69 "../../gcc/cp/cp-trait.gperf"
+      {"__is_unbounded_array", CPTK_IS_UNBOUNDED_ARRAY, 1, false},
 #line 52 "../../gcc/cp/cp-trait.gperf"
       {"__is_final", CPTK_IS_FINAL, 1, false},
 #line 38 "../../gcc/cp/cp-trait.gperf"
       {"__has_unique_object_representations", 
CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS, 1, false},
 #line 47 "../../gcc/cp/cp-trait.gperf"
       {"__is_const", CPTK_IS_CONST, 1, false},
+#line 79 "../../gcc/cp/cp-trait.gperf"
+      {"__is_deducible ", CPTK_IS_DEDUCIBLE, 2, false},
 #line 49 "../../gcc/cp/cp-trait.gperf"
       {"__is_convertible", CPTK_IS_CONVERTIBLE, 2, false},
 #line 48 "../../gcc/cp/cp-trait.gperf"
-      {"__is_constructible", CPTK_IS_CONSTRUCTIBLE, -1, false}
+      {"__is_constructible", CPTK_IS_CONSTRUCTIBLE, -1, false},
+#line 44 "../../gcc/cp/cp-trait.gperf"
+      {"__is_base_of", CPTK_IS_BASE_OF, 2, false}
     };
 
   static const signed char lookup[] =
     {
       -1, -1, -1, -1, -1, -1, -1,  0, -1,  1,  2,  3, -1, -1,
-       4,  5, -1,  6,  7,  8,  9, -1, 10, 11, 12, 13, 14, 15,
-      16, 17, 18, -1, 19, 20, -1, 21, -1, 22, 23, -1, 24, -1,
-      25, 26, 27, 28, -1, -1, 29, -1, 30, -1, -1, 31, 32, 33,
-      -1, -1, 34, 35, 36, 37, -1, 38, -1, 39, 40, 41, -1, 42,
-      43, -1, 44, -1, -1, 45, -1, -1, -1, -1, 46, -1, -1, -1,
-      -1, 47, -1, -1, -1, -1, 48, -1, -1, -1, -1, -1, 49, -1,
-      50
+       4,  5, -1,  6,  7,  8,  9, -1, 10, 11, 12, -1, 13, 14,
+      15, 16, 17, -1, 18, 19, 20, 21, -1, 22, 23, -1, 24, -1,
+      25, -1, 26, 27, -1, -1, 28, -1, 29, -1, -1, 30, 31, 32,
+      -1, -1, 33, 34, 35, 36, -1, 37, 38, 39, 40, 41, -1, -1,
+      42, -1, -1, 43, -1, 44, -1, -1, -1, -1, 45, -1, -1, -1,
+      -1, 46, -1, -1, -1, -1, 47, -1, -1, -1, -1, 48, 49, -1,
+      50, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+      -1, -1, -1, -1, -1, 51
     };
 
   if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc
index f56ab031d5f..6c4880d8a33 100644
--- a/gcc/cp/semantics.cc
+++ b/gcc/cp/semantics.cc
@@ -12184,6 +12184,9 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree 
type2)
     case CPTK_IS_LITERAL_TYPE:
       return literal_type_p (type1);
 
+    case CPTK_IS_MEMBER_POINTER:
+      return TYPE_PTRMEM_P (type1);
+
     case CPTK_IS_NOTHROW_ASSIGNABLE:
       return is_nothrow_xible (MODIFY_EXPR, type1, type2);
 
@@ -12393,6 +12396,7 @@ finish_trait_expr (location_t loc, cp_trait_kind kind, 
tree type1, tree type2)
     case CPTK_IS_CLASS:
     case CPTK_IS_CONST:
     case CPTK_IS_ENUM:
+    case CPTK_IS_MEMBER_POINTER:
     case CPTK_IS_SAME:
     case CPTK_IS_SCOPED_ENUM:
     case CPTK_IS_UNBOUNDED_ARRAY:
diff --git a/gcc/testsuite/g++.dg/ext/has-builtin-1.C 
b/gcc/testsuite/g++.dg/ext/has-builtin-1.C
index ba97beea3c3..994873f14e9 100644
--- a/gcc/testsuite/g++.dg/ext/has-builtin-1.C
+++ b/gcc/testsuite/g++.dg/ext/has-builtin-1.C
@@ -95,6 +95,9 @@
 #if !__has_builtin (__is_literal_type)
 # error "__has_builtin (__is_literal_type) failed"
 #endif
+#if !__has_builtin (__is_member_pointer)
+# error "__has_builtin (__is_member_pointer) failed"
+#endif
 #if !__has_builtin (__is_nothrow_assignable)
 # error "__has_builtin (__is_nothrow_assignable) failed"
 #endif
diff --git a/gcc/testsuite/g++.dg/ext/is_member_pointer.C 
b/gcc/testsuite/g++.dg/ext/is_member_pointer.C
new file mode 100644
index 00000000000..7ee2e3ab90c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/is_member_pointer.C
@@ -0,0 +1,30 @@
+// { dg-do compile { target c++11 } }
+
+#include <testsuite_tr1.h>
+
+using namespace __gnu_test;
+
+#define SA(X) static_assert((X),#X)
+
+#define SA_TEST_NON_VOLATILE(TRAIT, TYPE, EXPECT)      \
+  SA(TRAIT(TYPE) == EXPECT);                                           \
+  SA(TRAIT(const TYPE) == EXPECT)
+
+#define SA_TEST_CATEGORY(TRAIT, TYPE, EXPECT)  \
+  SA(TRAIT(TYPE) == EXPECT);                                   \
+  SA(TRAIT(const TYPE) == EXPECT);                             \
+  SA(TRAIT(volatile TYPE) == EXPECT);                  \
+  SA(TRAIT(const volatile TYPE) == EXPECT)
+
+SA_TEST_CATEGORY(__is_member_pointer, int (ClassType::*), true);
+SA_TEST_CATEGORY(__is_member_pointer, ClassType (ClassType::*), true);
+
+SA_TEST_NON_VOLATILE(__is_member_pointer, int (ClassType::*)(int), true);
+SA_TEST_NON_VOLATILE(__is_member_pointer, int (ClassType::*)(int) const, true);
+SA_TEST_NON_VOLATILE(__is_member_pointer, int (ClassType::*)(float, ...), 
true);
+SA_TEST_NON_VOLATILE(__is_member_pointer, ClassType (ClassType::*)(ClassType), 
true);
+SA_TEST_NON_VOLATILE(__is_member_pointer,
+        float (ClassType::*)(int, float, int[], int&), true);
+
+// Sanity check.
+SA_TEST_CATEGORY(__is_member_pointer, ClassType, false);
-- 
2.42.0

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