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