xref: /minix3/external/bsd/llvm/dist/clang/test/SemaCXX/new-delete-0x.cpp (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338)
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -verify %s -triple=i686-pc-linux-gnu -std=c++11
2*f4a2713aSLionel Sambuc 
3*f4a2713aSLionel Sambuc using size_t = decltype(sizeof(0));
4*f4a2713aSLionel Sambuc struct noreturn_t {} constexpr noreturn = {};
5*f4a2713aSLionel Sambuc 
6*f4a2713aSLionel Sambuc void *operator new [[noreturn]] (size_t, noreturn_t);
7*f4a2713aSLionel Sambuc void operator delete [[noreturn]] (void*, noreturn_t);
8*f4a2713aSLionel Sambuc 
good_news()9*f4a2713aSLionel Sambuc void good_news()
10*f4a2713aSLionel Sambuc {
11*f4a2713aSLionel Sambuc   auto p = new int[2][[]];
12*f4a2713aSLionel Sambuc   auto q = new int[[]][2];
13*f4a2713aSLionel Sambuc   auto r = new int*[[]][2][[]];
14*f4a2713aSLionel Sambuc   auto s = new (int(*[[]])[2][[]]);
15*f4a2713aSLionel Sambuc }
16*f4a2713aSLionel Sambuc 
bad_news(int * ip)17*f4a2713aSLionel Sambuc void bad_news(int *ip)
18*f4a2713aSLionel Sambuc {
19*f4a2713aSLionel Sambuc   // attribute-specifiers can go almost anywhere in a new-type-id...
20*f4a2713aSLionel Sambuc   auto r = new int[[]{return 1;}()][2]; // expected-error {{expected ']'}}
21*f4a2713aSLionel Sambuc   auto s = new int*[[]{return 1;}()][2]; // expected-error {{expected ']'}}
22*f4a2713aSLionel Sambuc   // ... but not here:
23*f4a2713aSLionel Sambuc   auto t = new (int(*)[[]]); // expected-error {{an attribute list cannot appear here}}
24*f4a2713aSLionel Sambuc   auto u = new (int(*)[[]{return 1;}()][2]); // expected-error {{C++11 only allows consecutive left square brackets when introducing an attribute}} \
25*f4a2713aSLionel Sambuc                                                 expected-error {{variably modified type}} \
26*f4a2713aSLionel Sambuc                                                 expected-error {{a lambda expression may not appear inside of a constant expression}}
27*f4a2713aSLionel Sambuc }
28*f4a2713aSLionel Sambuc 
good_deletes()29*f4a2713aSLionel Sambuc void good_deletes()
30*f4a2713aSLionel Sambuc {
31*f4a2713aSLionel Sambuc   delete [&]{ return (int*)0; }();
32*f4a2713aSLionel Sambuc }
33*f4a2713aSLionel Sambuc 
bad_deletes()34*f4a2713aSLionel Sambuc void bad_deletes()
35*f4a2713aSLionel Sambuc {
36*f4a2713aSLionel Sambuc   // 'delete []' is always array delete, per [expr.delete]p1.
37*f4a2713aSLionel Sambuc   // FIXME: Give a better diagnostic.
38*f4a2713aSLionel Sambuc   delete []{ return (int*)0; }(); // expected-error {{expected expression}}
39*f4a2713aSLionel Sambuc }
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