| 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 | |
| 27 | void f(float); |
| 28 | |
| 29 | // Test dependently-sized array canonicalization |
| 30 | template<typename T, int N, int M> |
| 31 | void f1(T (&array)[N + M]) { } // expected-note{{previous}} |
| 32 | |
| 33 | template<typename T, int N, int M> |
| 34 | void f1(T (&array)[M + N]) { } |
| 35 | |
| 36 | template<typename T, int M, int N> |
| 37 | void f1(T (&array)[M + N]) { } // expected-error{{redefinition}} |
| 38 | |
| 39 | // Test dependently-sized extended vector type canonicalization |
| 40 | template<typename T, int N, int M> |
| 41 | struct X2 { |
| 42 | typedef T __attribute__((ext_vector_type(N))) type1; |
| 43 | typedef T __attribute__((ext_vector_type(M))) type2; |
| 44 | typedef T __attribute__((ext_vector_type(N))) type3; |
| 45 | |
| 46 | void f0(type1); // expected-note{{previous}} |
| 47 | void f0(type2); |
| 48 | void f0(type3); // expected-error{{redeclared}} |
| 49 | }; |
| 50 | |
| 51 | // Test canonicalization doesn't conflate different literal suffixes. |
| 52 | template<typename T> void literal_suffix(int (&)[sizeof(T() + 0)]) {} |
| 53 | template<typename T> void literal_suffix(int (&)[sizeof(T() + 0L)]) {} |
| 54 | template<typename T> void literal_suffix(int (&)[sizeof(T() + 0LL)]) {} |
| 55 | template<typename T> void literal_suffix(int (&)[sizeof(T() + 0.f)]) {} |
| 56 | template<typename T> void literal_suffix(int (&)[sizeof(T() + 0.)]) {} |
| 57 | template<typename T> void literal_suffix(int (&)[sizeof(T() + 0.l)]) {} |
| 58 | |