clang/test/CodeGenCXX/mangle-class-nttp.cpp

   1 // RUN: %clang_cc1 -std=c++20 %s -triple x86_64-linux-gnu -emit-llvm -o - | FileCheck %s
   2 // RUN: %clang_cc1 -std=c++20 %s -triple x86_64-windows -emit-llvm -o - | FileCheck %s --check-prefix=MSABI
   3
   4 #define fold(x) (__builtin_constant_p(x) ? (x) : (x))
   5
   6 struct A { int a; const int b; };
   7 template<A> void f() {}
   8
   9 // CHECK: define weak_odr void @_Z1fIXtl1ALi1ELi2EEEEvv(
  10 // MSABI: define {{.*}} @"??$f@$2UA@@H00$$CBH01@@@YAXXZ"
  11 template void f<A{1, 2}>();
  12
  13 struct B { const int *p; int k; };
  14 template<B> void f() {}
  15
  16 int n = 0;
  17 // CHECK: define weak_odr void @_Z1fIXtl1BadL_Z1nEEEEvv(
  18 // MSABI: define {{.*}} @"??$f@$2UB@@PEBH1?n@@3HAH0A@@@@YAXXZ"
  19 template void f<B{&n}>();
  20 // CHECK: define weak_odr void @_Z1fIXtl1BLPKi0ELi1EEEEvv(
  21 // MSABI: define {{.*}} @"??$f@$2UB@@PEBH0A@H00@@@YAXXZ"
  22 template void f<B{nullptr, 1}>();
  23 // CHECK: define weak_odr void @_Z1fIXtl1BEEEvv(
  24 // MSABI: define {{.*}} @"??$f@$2UB@@PEBH0A@H0A@@@@YAXXZ"
  25 template void f<B{nullptr}>();
  26 // These are extensions, but they seem like the obvious manglings.
  27 // CHECK: define weak_odr void @_Z1fIXtl1BLPKi32EEEEvv(
  28 // MSABI: define {{.*}} @"??$f@$2UB@@PEBH0CA@H0A@@@@YAXXZ"
  29 template void f<B{fold((int*)32)}>();
  30 #ifndef _WIN32
  31 // FIXME: On MS ABI, we mangle this the same as nullptr, despite considering a
  32 // null pointer and zero bitcast to a pointer to be distinct pointer values.
  33 // CHECK: define weak_odr void @_Z1fIXtl1BrcPKiLi0EEEEvv(
  34 template void f<B{fold(reinterpret_cast<int*>(0))}>();
  35 #endif
  36
  37 // Pointers to subobjects.
  38 struct Nested { union { int k; int arr[2]; }; } nested[2];
  39 struct Derived : A, Nested { int z; } extern derived;
  40 // CHECK: define weak_odr void @_Z1fIXtl1BadsoKiL_Z7derivedE16EEEEvv
  41 // MSABI: define {{.*}} void @"??$f@$2UB@@PEBH56E?derived@@3UDerived@@Az@@@H0A@@@@YAXXZ"
  42 template void f<B{&derived.z}>();
  43 // FIXME: We don't know the MS ABI mangling for array subscripting and
  44 // past-the-end pointers yet.
  45 #ifndef _WIN32
  46 // CHECK: define weak_odr void @_Z1fIXtl1BadsoKiL_Z6nestedE_EEEEvv
  47 template void f<B{&nested[0].k}>();
  48 // CHECK: define weak_odr void @_Z1fIXtl1BadsoKiL_Z6nestedE16_0pEEEEvv
  49 template void f<B{&nested[1].arr[2]}>();
  50 // CHECK: define weak_odr void @_Z1fIXtl1BadsoKiL_Z7derivedE8pEEEEvv
  51 template void f<B{&derived.b + 1}>();
  52 // CHECK: define weak_odr void @_Z1fIXtl1BcvPKiplcvPcadL_Z7derivedELl16EEEEvv
  53 template void f<B{fold(&derived.b + 3)}>();
  54 #endif
  55
  56 // References to subobjects.
  57 struct BR { const int &r; };
  58 template<BR> void f() {}
  59 // CHECK: define weak_odr void @_Z1fIXtl2BRsoKiL_Z7derivedE16EEEEvv
  60 // MSABI: define {{.*}} void @"??$f@$2UBR@@AEBH6E?derived@@3UDerived@@Az@@@@@YAXXZ"
  61 template void f<BR{derived.z}>();
  62 // FIXME: We don't know the MS ABI mangling for array subscripting yet.
  63 #ifndef _WIN32
  64 // CHECK: define weak_odr void @_Z1fIXtl2BRsoKiL_Z6nestedE_EEEEvv
  65 template void f<BR{nested[0].k}>();
  66 // CHECK: define weak_odr void @_Z1fIXtl2BRsoKiL_Z6nestedE12_0EEEEvv
  67 template void f<BR{nested[1].arr[1]}>();
  68 // CHECK: define weak_odr void @_Z1fIXtl2BRsoKiL_Z7derivedE4EEEEvv
  69 template void f<BR{derived.b}>();
  70 // CHECK: define weak_odr void @_Z1fIXtl2BRdecvPKiplcvPcadL_Z7derivedELl16EEEEvv
  71 template void f<BR{fold(*(&derived.b + 3))}>();
  72 #endif
  73
  74 // Qualification conversions.
  75 struct C { const int *p; };
  76 template<C> void f() {}
  77 // CHECK: define weak_odr void @_Z1fIXtl1CadsoKiL_Z7derivedE16EEEEvv
  78 // MSABI: define {{.*}} void @"??$f@$2UC@@PEBH56E?derived@@3UDerived@@Az@@@@@@YAXXZ"
  79 template void f<C{&derived.z}>();
  80 #ifndef _WIN32
  81 // CHECK: define weak_odr void @_Z1fIXtl1CadsoKiL_Z7derivedE4EEEEvv
  82 template void f<C{&derived.b}>();
  83 #endif
  84
  85 // Pointers to members.
  86 struct D { const int Derived::*p; int k; };
  87 template<D> void f() {}
  88 // CHECK: define weak_odr void @_Z1fIXtl1DLM7DerivedKi0ELi1EEEEvv
  89 // MSABI: define {{.*}} @"??$f@$2UD@@PERDerived@@H0?0H00@@@YAXXZ"
  90 template void f<D{nullptr, 1}>();
  91 // CHECK: define weak_odr void @_Z1fIXtl1DEEEvv
  92 // MSABI: define {{.*}} @"??$f@$2UD@@PERDerived@@H0?0H0A@@@@YAXXZ"
  93 template void f<D{nullptr}>();
  94 // CHECK: define weak_odr void @_Z1fIXtl1DadL_ZN7Derived1zEEEEEvv
  95 // MSABI: define {{.*}} @"??$f@$2UD@@PERDerived@@H0BA@H0A@@@@YAXXZ"
  96 template void f<D{&Derived::z}>();
  97 #ifndef _WIN32
  98 // CHECK: define weak_odr void @_Z1fIXtl1DmcM7DerivedKiadL_ZN1A1aEEEEEEvv
  99 // MSABI-FIXME: define {{.*}} @"??$f@$2UD@@PERDerived@@H0A@H0A@@@@YAXXZ"
 100 template void f<D{&A::a}>();
 101 // CHECK: define weak_odr void @_Z1fIXtl1DmcM7DerivedKiadL_ZN1A1bEEEEEEvv
 102 // MSABI-FIXME: define {{.*}} @"??$f@$2UD@@PERDerived@@H03H0A@@@@YAXXZ"
 103 template void f<D{&A::b}>();
 104 // FIXME: Is the Ut_1 mangling here correct?
 105 // CHECK: define weak_odr void @_Z1fIXtl1DmcM7DerivedKiadL_ZN6NestedUt_1kEE8ELi2EEEEvv
 106 // FIXME: This mangles the same as &A::a (bug in the MS ABI).
 107 // MSABI-FIXME: define {{.*}} @"??$f@$2UD@@PERDerived@@H0A@H01@@@YAXXZ"
 108 template void f<D{&Nested::k, 2}>();
 109 struct MoreDerived : A, Derived { int z; };
 110 // CHECK: define weak_odr void @_Z1fIXtl1DmcM7DerivedKiadL_ZN11MoreDerived1zEEn8EEEEvv
 111 // MSABI-FIXME: define {{.*}} @"??$f@$2UD@@PERDerived@@H0BI@H0A@@@@YAXXZ"
 112 template void f<D{(int Derived::*)&MoreDerived::z}>();
 113 #endif
 114
 115 // FIXME: Pointers to member functions.
 116
 117 union E {
 118   int n;
 119   float f;
 120   constexpr E() {}
 121   constexpr E(int n) : n(n) {}
 122   constexpr E(float f) : f(f) {}
 123 };
 124 template<E> void f() {}
 125
 126 // Union members.
 127 // CHECK: define weak_odr void @_Z1fIL1EEEvv(
 128 // MSABI: define {{.*}} @"??$f@$7TE@@@@@YAXXZ"
 129 template void f<E{}>();
 130 // CHECK: define weak_odr void @_Z1fIXtl1EEEEvv(
 131 // MSABI: define {{.*}} @"??$f@$7TE@@n@0A@@@@YAXXZ"
 132 template void f<E(0)>();
 133 // CHECK: define weak_odr void @_Z1fIXtl1Edi1nLi42EEEEvv(
 134 // MSABI: define {{.*}} @"??$f@$7TE@@n@0CK@@@@YAXXZ"
 135 template void f<E(42)>();
 136 // CHECK: define weak_odr void @_Z1fIXtl1Edi1fLf00000000EEEEvv(
 137 // MSABI: define {{.*}} @"??$f@$7TE@@0AA@@@@YAXXZ"
 138 template void f<E(0.f)>();
 139
 140 // immintrin.h vector types.
 141 typedef float __m128 __attribute__((__vector_size__(16)));
 142 typedef double __m128d __attribute__((__vector_size__(16)));
 143 typedef long long __m128i __attribute__((__vector_size__(16)));
 144 struct M128 { __m128 a; };
 145 struct M128D { __m128d b; };
 146 struct M128I { __m128i c; };
 147 template<M128> void f() {}
 148 template<M128D> void f() {}
 149 template<M128I> void f() {}
 150 // MSABI: define {{.*}} @"??$f@$2UM128@@2T__m128@@3MADPIAAAAA@@AEAAAAAAA@@AEAEAAAAA@@AEAIAAAAA@@@@@@@YAXXZ"
 151 template void f<M128{1, 2, 3, 4}>();
 152 // MSABI: define {{.*}} @"??$f@$2UM128D@@2U__m128d@@3NBDPPAAAAAAAAAAAAA@@BEAAAAAAAAAAAAAAA@@@@@@@YAXXZ"
 153 template void f<M128D{1, 2}>();
 154 // FIXME: We define __m128i as a vector of long long, whereas MSVC appears to
 155 // mangle it as if it were a vector of char.
 156 // MSABI-FIXME: define {{.*}} @"??$f@$2UM128I@@2T__m128i@@3D00@01@0A@@0A@@0A@@0A@@0A@@0A@@0A@@0A@@0A@@0A@@0A@@0A@@0A@@0A@@@@@@@YAXXZ"
 157 // MSABI: define {{.*}} @"??$f@$2UM128I@@2T__m128i@@3_J00@01@@@@@@YAXXZ"
 158 template void f<M128I{1, 2}>();
 159
 160 // Extensions, and dropping trailing zero-initialized elements of 'tl'
 161 // manglings.
 162 typedef int __attribute__((ext_vector_type(3))) VI3;
 163 struct F { VI3 v; _Complex int ci; _Complex float cf; };
 164 template<F> void f() {}
 165 // CHECK: define weak_odr void @_Z1fIXtl1FtlDv3_iLi1ELi2ELi3EEtlCiLi4ELi5EEtlCfLf40c00000ELf40e00000EEEEEvv
 166 // MSABI: define {{.*}} @"??$f@$2UF@@2T?$__vector@H$02@__clang@@3H00@01@02@@@2U?$_Complex@H@3@0304@2U?$_Complex@M@3@AEAMAAAAA@AEAOAAAAA@@@@@YAXXZ"
 167 template void f<F{{1, 2, 3}, {4, 5}, {6, 7}}>();
 168 // CHECK: define weak_odr void @_Z1fIXtl1FtlDv3_iLi1ELi2ELi3EEtlCiLi4ELi5EEtlCfLf40c00000EEEEEvv
 169 template void f<F{{1, 2, 3}, {4, 5}, {6, 0}}>();
 170 // CHECK: define weak_odr void @_Z1fIXtl1FtlDv3_iLi1ELi2ELi3EEtlCiLi4ELi5EEEEEvv
 171 template void f<F{{1, 2, 3}, {4, 5}, {0, 0}}>();
 172 // CHECK: define weak_odr void @_Z1fIXtl1FtlDv3_iLi1ELi2ELi3EEtlCiLi4EEEEEvv
 173 template void f<F{{1, 2, 3}, {4, 0}, {0, 0}}>();
 174 // CHECK: define weak_odr void @_Z1fIXtl1FtlDv3_iLi1ELi2ELi3EEEEEvv
 175 template void f<F{{1, 2, 3}, {0, 0}, {0, 0}}>();
 176 // CHECK: define weak_odr void @_Z1fIXtl1FtlDv3_iLi1ELi2EEEEEvv
 177 template void f<F{{1, 2, 0}, {0, 0}, {0, 0}}>();
 178 // CHECK: define weak_odr void @_Z1fIXtl1FtlDv3_iLi1EEEEEvv
 179 template void f<F{{1, 0, 0}, {0, 0}, {0, 0}}>();
 180 // CHECK: define weak_odr void @_Z1fIXtl1FEEEvv
 181 // MSABI: define {{.*}} @"??$f@$2UF@@2T?$__vector@H$02@__clang@@3H0A@@0A@@0A@@@@2U?$_Complex@H@3@0A@0A@@2U?$_Complex@M@3@AA@AA@@@@@YAXXZ"
 182 template void f<F{{0, 0, 0}, {0, 0}, {0, 0}}>();
 183
 184 // Unnamed bit-fields.
 185 struct G {
 186   int : 3;
 187   int a : 4;
 188   int : 5;
 189   int b : 6;
 190   int : 7;
 191 };
 192 template<G> void f() {}
 193 // CHECK: define weak_odr void @_Z1fIXtl1GEEEvv
 194 // MSABI: define {{.*}} @"??$f@$2UG@@H0A@H0A@@@@YAXXZ"
 195 template void f<(G())>();
 196 // CHECK: define weak_odr void @_Z1fIXtl1GLi1EEEEvv
 197 // MSABI: define {{.*}} @"??$f@$2UG@@H00H0A@@@@YAXXZ"
 198 template void f<G{1}>();
 199 // CHECK: define weak_odr void @_Z1fIXtl1GLi1ELi2EEEEvv
 200 // MSABI: define {{.*}} @"??$f@$2UG@@H00H01@@@YAXXZ"
 201 template void f<G{1, 2}>();
 202 // CHECK: define weak_odr void @_Z1fIXtl1GLin8ELin32EEEEvv
 203 // MSABI: define {{.*}} @"??$f@$2UG@@H0?7H0?CA@@@@YAXXZ"
 204 template void f<G{-8, -32}>();
 205
 206 // Empty and nearly-empty unions.
 207 // Some of the MSVC manglings here are our invention, because MSVC rejects, but
 208 // seem likely to be right.
 209 union H1 {};
 210 union H2 { int : 1, : 2, : 3; };
 211 union H3 { int : 1, a, : 2, b, : 3; };
 212 struct H4 { H2 h2; };
 213 template<H1> void f() {}
 214 template<H2> void f() {}
 215 template<H3> void f() {}
 216 template<H4> void f() {}
 217 // CHECK: define weak_odr void @_Z1fIL2H1EEvv
 218 // MSABI: define {{.*}} @"??$f@$7TH1@@@@@YAXXZ"
 219 template void f<H1{}>();
 220 // CHECK: define weak_odr void @_Z1fIL2H2EEvv
 221 // MSABI: define {{.*}} @"??$f@$7TH2@@@@@YAXXZ"
 222 template void f<H2{}>();
 223 // CHECK: define weak_odr void @_Z1fIXtl2H3EEEvv
 224 // MSABI: define {{.*}} @"??$f@$7TH3@@a@0A@@@@YAXXZ"
 225 template void f<H3{.a = 0}>();
 226 // CHECK: define weak_odr void @_Z1fIXtl2H3di1aLi1EEEEvv
 227 // MSABI: define {{.*}} @"??$f@$7TH3@@a@00@@@YAXXZ"
 228 template void f<H3{.a = 1}>();
 229 // CHECK: define weak_odr void @_Z1fIXtl2H3di1bLi0EEEEvv
 230 // MSABI: define {{.*}} @"??$f@$7TH3@@b@0A@@@@YAXXZ"
 231 template void f<H3{.b = 0}>();
 232 // CHECK: define weak_odr void @_Z1fIXtl2H4EEEvv
 233 // MSABI: define {{.*}} @"??$f@$2UH4@@7TH2@@@@@@YAXXZ"
 234 template void f<H4{}>();
 235
 236 // Floating-point.
 237 struct I {
 238   float f;
 239   double d;
 240   long double ld;
 241 };
 242 template<I> void f() {}
 243 // CHECK: define weak_odr void @_Z1fIXtl1IEEEvv
 244 // MSABI: define {{.*}} @"??$f@$2UI@@MAA@NBA@OBA@@@@YAXXZ"
 245 template void f<I{0.0, 0.0, 0.0}>();
 246 // CHECK: define weak_odr void @_Z1fIXtl1ILf80000000ELd8000000000000000ELe80000000000000000000EEEEvv
 247 // MSABI: define {{.*}} @"??$f@$2UI@@MAIAAAAAAA@NBIAAAAAAAAAAAAAAA@OBIAAAAAAAAAAAAAAA@@@@YAXXZ"
 248 template void f<I{-0.0, -0.0, -0.0}>();
 249 // CHECK: define weak_odr void @_Z1fIXtl1ILf3f800000ELd4000000000000000ELec000c000000000000000EEEEvv
 250 // MSABI: define {{.*}} @"??$f@$2UI@@MADPIAAAAA@NBEAAAAAAAAAAAAAAA@OBMAAIAAAAAAAAAAAA@@@@YAXXZ"
 251 template void f<I{1.0, 2.0, -3.0}>();
 252 // CHECK: define {{.*}} @_Z1fIXtl1ILf00000000ELd0000000000000000ELe3bcd8000000000000000EEEEvv
 253 // Note that "small integer" special-case manglings 'A@', '0', '1', ... are
 254 // used here and represent tiny denormal values!
 255 // MSABI: define {{.*}} @"??$f@$2UI@@MAA@NBA@OB0@@@YAXXZ"
 256 template void f<I{0.0, 0.2e-323, 0.5e-323}>();
 257 // CHECK: define {{.*}} @_Z1fIXtl1ILf00000000ELd0000000000000002ELebbce8000000000000000EEEEvv
 258 // ... but the special-case '?' mangling for bit 63 being set is not used.
 259 // MSABI: define {{.*}} @"??$f@$2UI@@MAA@NB1OBIAAAAAAAAAAAAAAC@@@@YAXXZ"
 260 template void f<I{0.0, 1.0e-323, -1.0e-323}>();
 261
 262 // Base classes and members of class type.
 263 struct J1 { int a, b; };
 264 struct JEmpty {};
 265 struct J2 { int c, d; };
 266 struct J : J1, JEmpty, J2 { int e; };
 267 template<J> void f() {}
 268 // CHECK: define weak_odr void @_Z1fIXtl1JEEEvv
 269 // MSABI: define {{.*}} @"??$f@$2UJ@@2UJ1@@H0A@H0A@@2UJEmpty@@@2UJ2@@H0A@H0A@@H0A@@@@YAXXZ"
 270 template void f<J{}>();
 271 // CHECK: define weak_odr void @_Z1fIXtl1Jtl2J1Li1ELi2EEtl6JEmptyEtl2J2Li3ELi4EELi5EEEEvv
 272 // MSABI: define {{.*}} @"??$f@$2UJ@@2UJ1@@H00H01@2UJEmpty@@@2UJ2@@H02H03@H04@@@YAXXZ"
 273 template void f<J{{1, 2}, {}, {3, 4}, 5}>();
 274
 275 struct J3 { J1 j1; };
 276 template<J3> void f() {}
 277 // CHECK: define {{.*}} @_Z1fIXtl2J3tl2J1Li1ELi2EEEEEvv
 278 // MSABI: define {{.*}} @"??$f@$2UJ3@@2UJ1@@H00H01@@@@YAXXZ"
 279 template void f<J3{1, 2}>();
 280
 281 // Arrays.
 282 struct K { int n[2][3]; };
 283 template<K> void f() {}
 284 // CHECK: define {{.*}} @_Z1fIXtl1KtlA2_A3_itlS1_Li1ELi2EEEEEEvv
 285 // MSABI: define {{.*}} @"??$f@$2UK@@3$$BY02H3H00@01@0A@@@@3H0A@@0A@@0A@@@@@@@@YAXXZ"
 286 template void f<K{1, 2}>();
 287 // CHECK: define {{.*}} @_Z1fIXtl1KtlA2_A3_itlS1_Li1ELi2ELi3EEtlS1_Li4ELi5ELi6EEEEEEvv
 288 // MSABI: define {{.*}} @"??$f@$2UK@@3$$BY02H3H00@01@02@@@3H03@04@05@@@@@@@YAXXZ"
 289 template void f<K{1, 2, 3, 4, 5, 6}>();
 290
 291 struct K1 { int a, b; };
 292 struct K2 : K1 { int c; };
 293 struct K3 { K2 k2[2]; };
 294 template<K3> void f() {}
 295 // CHECK: define {{.*}} @_Z1fIXtl2K3tlA2_2K2tlS1_tl2K1Li1EEEEEEEvv
 296 // MSABI: define {{.*}} @"??$f@$2UK3@@3UK2@@2U2@2UK1@@H00H0A@@H0A@@@2U2@2U3@H0A@H0A@@H0A@@@@@@@YAXXZ"
 297 template void f<K3{1}>();
 298 template void f<K3{1, 2, 3, 4, 5, 6}>();
 299
 300 namespace CvQualifiers {
 301   struct A { const int a; int *const b; int c; };
 302   template<A> void f() {}
 303   // CHECK: define {{.*}} @_ZN12CvQualifiers1fIXtlNS_1AELi0ELPi0ELi1EEEEEvv
 304   // MSABI: define {{.*}} @"??$f@$2UA@CvQualifiers@@$$CBH0A@QEAH0A@H00@@CvQualifiers@@YAXXZ"
 305   template void f<A{.c = 1}>();
 306
 307   using T1 = const int;
 308   using T2 = T1[5];
 309   using T3 = const T2;
 310   struct B { T3 arr; };
 311   template<B> void f() {}
 312   // CHECK: define {{.*}} @_ZN12CvQualifiers1fIXtlNS_1BEtlA5_iLi1ELi2ELi3ELi4ELi5EEEEEEvv
 313   // MSABI: define {{.*}} @"??$f@$2UB@CvQualifiers@@3$$CBH00@01@02@03@04@@@@CvQualifiers@@YAXXZ"
 314   template void f<B{1, 2, 3, 4, 5}>();
 315 }
 316
 317 struct L {
 318   signed char a = -1;
 319   unsigned char b = -1;
 320   short c = -1;
 321   unsigned short d = -1;
 322   int e = -1;
 323   unsigned int f = -1;
 324   long g = -1;
 325   unsigned long h = -1;
 326   long long i = -1;
 327   unsigned long long j = -1;
 328 };
 329 template<L> void f() {}
 330 // CHECK: define {{.*}} @_Z1fIXtl1LLan1ELh255ELsn1ELt65535ELin1ELj4294967295ELln1ELm18446744073709551615ELxn1ELy18446744073709551615EEEEvv
 331 // MSABI: define {{.*}} @"??$f@$2UL@@C0?0E0PP@F0?0G0PPPP@H0?0I0PPPPPPPP@J0?0K0PPPPPPPP@_J0?0_K0?0@@@YAXXZ"
 332 template void f<L{}>();
 333
 334 // Template parameter objects.
 335 struct M { int n; };
 336 template<M a> constexpr const M &f() { return a; }
 337 // CHECK: define {{.*}} @_Z1fIXtl1MLi42EEEERKS0_v
 338 // CHECK: ret {{.*}} @_ZTAXtl1MLi42EEE
 339 // MSABI: define {{.*}} @"??$f@$2UM@@H0CK@@@@YAAEBUM@@XZ"
 340 // MSABI: ret {{.*}} @"??__N2UM@@H0CK@@@"
 341 template const M &f<M{42}>();
 342
 343 template<const M *p> void g() {}
 344 // CHECK: define {{.*}} @_Z1gIXadL_ZTAXtl1MLi10EEEEEEvv
 345 // MSABI: define {{.*}} @"??$g@$1??__N2UM@@H09@@@@YAXXZ"
 346 template void g<&f<M{10}>()>();