llvm-for-llvmta/tools/clang/test/SemaCXX/alignof-sizeof-reference.cpp

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2022-04-25 13:02:35 +02:00
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
struct s0; // expected-note {{forward declaration}}
char ar[sizeof(s0&)]; // expected-error {{invalid application of 'sizeof' to an incomplete type}}
void test() {
char &r = ar[0];
static_assert(alignof(r) == 1, "bad alignment"); // expected-warning {{GNU extension}}
static_assert(alignof(char&) == 1, "bad alignment");
static_assert(sizeof(r) == 1, "bad size");
static_assert(sizeof(char&) == 1, "bad size");
}
int f(); // expected-note{{possible target for call}}
int f(int); // expected-note{{possible target for call}}
void g() {
sizeof(&f); // expected-error{{reference to overloaded function could not be resolved; did you mean to call it with no arguments?}} \
// expected-warning{{expression result unused}}
}
template<typename T> void f_template(); // expected-note{{possible target for call}}
template<typename T> void f_template(T*); // expected-note{{possible target for call}}
void rdar9659191() {
(void)alignof(f_template<int>); // expected-error{{reference to overloaded function could not be resolved; did you mean to call it?}} expected-warning {{GNU extension}}
}