1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
3 void f();
4 
5 // Test typeof(expr) canonicalization
6 template<typename T>
7 void f0(T x, __typeof__(f(x)) y) { } // expected-note{{previous}}
8 
9 template<typename T>
10 void f0(T x, __typeof__((f)(x)) y) { }
11 
12 template<typename U>
13 void f0(U u, __typeof__(f(u))) { } // expected-error{{redefinition}}
14 
15 // Test insane typeof(expr) overload set canonicalization
16 void f(int);
17 void f(double);
18 
19 template<typename T, T N>
20 void f0a(T x, __typeof__(f(N)) y) { } // expected-note{{previous}}
21 
22 void f(int);
23 
24 template<typename T, T N>
25 void f0a(T x, __typeof__(f(N)) y) { } // expected-error{{redefinition}} \
26                                       // expected-note{{previous}}
27 
28 void f(float);
29 
30 template<typename T, T N>
31 void f0a(T x, __typeof__(f(N)) y) { } // expected-error{{redefinition}}
32 
33 // Test dependently-sized array canonicalization
34 template<typename T, int N, int M>
35 void f1(T (&array)[N + M]) { } // expected-note{{previous}}
36 
37 template<typename T, int N, int M>
38 void f1(T (&array)[M + N]) { }
39 
40 template<typename T, int M, int N>
41 void f1(T (&array)[M + N]) { } // expected-error{{redefinition}}
42 
43 // Test dependently-sized extended vector type canonicalization
44 template<typename T, int N, int M>
45 struct X2 {
46   typedef T __attribute__((ext_vector_type(N))) type1;
47   typedef T __attribute__((ext_vector_type(M))) type2;
48   typedef T __attribute__((ext_vector_type(N))) type3;
49 
50   void f0(type1); // expected-note{{previous}}
51   void f0(type2);
52   void f0(type3); // expected-error{{redeclared}}
53 };
54