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| // RUN: %clang_cc1 -fsyntax-only -verify %s -triple=i686-pc-linux-gnu -std=c++11
using size_t = decltype(sizeof(0));
struct noreturn_t {} constexpr noreturn = {};
void *operator new [[noreturn]] (size_t, noreturn_t);
void operator delete [[noreturn]] (void*, noreturn_t);
void good_news()
{
auto p = new int[2][[]];
auto q = new int[[]][2];
auto r = new int*[[]][2][[]];
auto s = new (int(*[[]])[2][[]]);
}
void bad_news(int *ip)
{
// attribute-specifiers can go almost anywhere in a new-type-id...
auto r = new int[[]{return 1;}()][2]; // expected-error {{expected ']'}}
auto s = new int*[[]{return 1;}()][2]; // expected-error {{expected ']'}}
// ... but not here:
auto t = new (int(*)[[]]); // expected-error {{an attribute list cannot appear here}}
auto u = new (int(*)[[]{return 1;}()][2]); // expected-error {{C++11 only allows consecutive left square brackets when introducing an attribute}} \
expected-error {{variably modified type}} \
expected-error {{a lambda expression may not appear inside of a constant expression}}
}
void good_deletes()
{
delete [&]{ return (int*)0; }();
}
void bad_deletes()
{
// 'delete []' is always array delete, per [expr.delete]p1.
delete []{ return (int*)0; }(); // expected-error {{'[]' after delete interpreted as 'delete[]'}}
}
|