--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/SemaTemplate/address_space-dependent.cpp	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,119 @@
+// RUN: %clang_cc1 -x c++ -std=c++14 -fsyntax-only -verify %s
+
+template <int I, int J, int K>
+void car() {
+  int __attribute__((address_space(I))) __attribute__((address_space(J))) * Y;  // expected-error {{multiple address spaces specified for type}}
+  int *__attribute__((address_space(I))) __attribute__((address_space(J))) * Z; // expected-error {{multiple address spaces specified for type}}
+
+  __attribute__((address_space(I))) int local;        // expected-error {{automatic variable qualified with an address space}}
+  __attribute__((address_space(J))) int array[5];     // expected-error {{automatic variable qualified with an address space}}
+  __attribute__((address_space(I))) int arrarr[5][5]; // expected-error {{automatic variable qualified with an address space}}
+
+  __attribute__((address_space(J))) * x; // expected-error {{C++ requires a type specifier for all declarations}}
+
+  __attribute__((address_space(I))) float *B;
+
+  typedef __attribute__((address_space(J))) int AS2Int;
+  struct HasASFields {
+    AS2Int typedef_as_field; // expected-error {{field may not be qualified with an address space}}
+  };
+
+  struct _st {
+    int x, y;
+  } s __attribute((address_space(I))) = {1, 1};
+}
+
+template <int I>
+struct HasASTemplateFields {
+  __attribute__((address_space(I))) int as_field; // expected-error {{field may not be qualified with an address space}}
+};
+
+template <int I, int J>
+void foo(__attribute__((address_space(I))) float *a, // expected-note {{candidate template ignored: substitution failure [with I = 1, J = 2]: parameter may not be qualified with an address space}}
+         __attribute__((address_space(J))) float b) {
+  *a = 5.0f + b;
+}
+
+template void foo<1, 2>(float *, float); // expected-error {{explicit instantiation of 'foo' does not refer to a function template, variable template, member function, member class, or static data member}}
+
+template <int I>
+void neg() {
+  __attribute__((address_space(I))) int *bounds; // expected-error {{address space is negative}}
+}
+
+template <long int I>
+void tooBig() {
+  __attribute__((address_space(I))) int *bounds; // expected-error {{address space is larger than the maximum supported (8388595)}}
+}
+
+template <long int I>
+void correct() {
+  __attribute__((address_space(I))) int *bounds;
+}
+
+template <int I, int J>
+char *cmp(__attribute__((address_space(I))) char *x, __attribute__((address_space(J))) char *y) {
+  return x < y ? x : y; // expected-error {{comparison of distinct pointer types ('__attribute__((address_space(1))) char *' and '__attribute__((address_space(2))) char *')}}
+}
+
+typedef void ft(void);
+
+template <int I>
+struct fooFunction {
+  __attribute__((address_space(I))) void **const base = 0;
+
+  void *get_0(void) {
+    return base[0]; // expected-error {{cannot initialize return object of type 'void *' with an lvalue of type '__attribute__((address_space(1))) void *}}
+  }
+
+  __attribute__((address_space(I))) ft qf; // expected-error {{function type may not be qualified with an address space}}
+  __attribute__((address_space(I))) char *test3_val;
+
+  void test3(void) {
+    extern void test3_helper(char *p); // expected-note {{passing argument to parameter 'p' here}}
+    test3_helper(test3_val);           // expected-error {{cannot initialize a parameter of type 'char *' with an lvalue of type '__attribute__((address_space(1))) char *'}}
+  }
+};
+
+template <typename T, int N>
+int GetAddressSpaceValue(T __attribute__((address_space(N))) * p) {
+  return N;
+}
+
+template <unsigned A> int __attribute__((address_space(A))) *same_template();
+template <unsigned B> int __attribute__((address_space(B))) *same_template();
+void test_same_template() { (void) same_template<0>(); }
+
+template <unsigned A> int __attribute__((address_space(A))) *different_template(); // expected-note {{candidate function [with A = 0]}}
+template <unsigned B> int __attribute__((address_space(B+1))) *different_template(); // expected-note {{candidate function [with B = 0]}}
+void test_different_template() { (void) different_template<0>(); } // expected-error {{call to 'different_template' is ambiguous}}
+
+template <typename T> struct partial_spec_deduce_as;
+template <typename T, unsigned AS> 
+struct partial_spec_deduce_as <__attribute__((address_space(AS))) T *> {
+   static const unsigned value = AS;  
+}; 
+
+int main() {  
+  int __attribute__((address_space(1))) * p1;
+  int p = GetAddressSpaceValue(p1);
+
+  car<1, 2, 3>(); // expected-note {{in instantiation of function template specialization 'car<1, 2, 3>' requested here}}
+  HasASTemplateFields<1> HASTF;
+  neg<-1>(); // expected-note {{in instantiation of function template specialization 'neg<-1>' requested here}}
+  correct<0x7FFFF3>();
+  tooBig<8388650>(); // expected-note {{in instantiation of function template specialization 'tooBig<8388650>' requested here}}
+
+  __attribute__((address_space(1))) char *x;
+  __attribute__((address_space(2))) char *y;
+  cmp<1, 2>(x, y); // expected-note {{in instantiation of function template specialization 'cmp<1, 2>' requested here}}
+
+  fooFunction<1> ff;
+  ff.get_0(); // expected-note {{in instantiation of member function 'fooFunction<1>::get_0' requested here}}
+  ff.qf();
+  ff.test3(); // expected-note {{in instantiation of member function 'fooFunction<1>::test3' requested here}}
+  
+  static_assert(partial_spec_deduce_as<int __attribute__((address_space(3))) *>::value == 3, "address space value has been incorrectly deduced"); 
+
+  return 0;
+}