forked from OSchip/llvm-project
60 lines
2.6 KiB
C++
60 lines
2.6 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++14 %s
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#include <stddef.h>
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struct tag {
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void operator "" _tag_bad (const char *); // expected-error {{literal operator 'operator""_tag_bad' must be in a namespace or global scope}}
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friend void operator "" _tag_good (const char *);
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};
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namespace ns { void operator "" _ns_good (const char *); }
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// Check extern "C++" declarations
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extern "C++" void operator "" _extern_good (const char *);
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extern "C++" { void operator "" _extern_good (const char *); }
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void fn () { void operator "" _fn_good (const char *); }
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// One-param declarations (const char * was already checked)
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void operator "" _good (char);
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void operator "" _good (wchar_t);
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void operator "" _good (char16_t);
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void operator "" _good (char32_t);
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void operator "" _good (unsigned long long);
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void operator "" _good (long double);
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// Two-param declarations
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void operator "" _good (const char *, size_t);
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void operator "" _good (const wchar_t *, size_t);
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void operator "" _good (const char16_t *, size_t);
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void operator "" _good (const char32_t *, size_t);
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// Check typedef and array equivalences
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void operator "" _good (const char[]);
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typedef const char c;
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void operator "" _good (c*);
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// Check extra cv-qualifiers
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void operator "" _cv_good (volatile const char *, const size_t); // expected-error {{invalid literal operator parameter type 'const volatile char *', did you mean 'const char *'?}}
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// Template declaration
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template <char...> void operator "" _good ();
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template <typename...> void operator "" _invalid(); // expected-error {{template parameter list for literal operator must be either 'char...' or 'typename T, T...'}}
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template <wchar_t...> void operator "" _invalid(); // expected-error {{template parameter list for literal operator must be either 'char...' or 'typename T, T...'}}
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template <unsigned long long...> void operator "" _invalid(); // expected-error {{template parameter list for literal operator must be either 'char...' or 'typename T, T...'}}
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_Complex float operator""if(long double); // expected-warning {{reserved}}
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_Complex float test_if_1() { return 2.0f + 1.5if; };
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void test_if_2() { "foo"if; } // expected-error {{no matching literal operator for call to 'operator""if'}}
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template<typename T> void dependent_member_template() {
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T().template operator""_foo<int>(); // expected-error {{'operator""_foo' following the 'template' keyword cannot refer to a dependent template}}
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}
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namespace PR51142 {
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// This code previously crashed due to a null template parameter declaration.
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template<typename T> // expected-error {{template parameter list for literal operator must be either 'char...' or 'typename T, T...'}}
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constexpr auto operator ""_l();
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}
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