| 1 | // RUN: %clang_cc1 -std=c++11 -verify %s |
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| 2 | |
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| 3 | using size_t = decltype(sizeof(int)); |
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| 4 | void operator "" wibble(const char *); // expected-warning {{user-defined literal suffixes not starting with '_' are reserved; no literal will invoke this operator}} |
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| 5 | void operator "" wibble(const char *, size_t); // expected-warning {{user-defined literal suffixes not starting with '_' are reserved; no literal will invoke this operator}} |
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| 6 | |
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| 7 | template<typename T> |
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| 8 | void f() { |
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| 9 | // A program containing a reserved ud-suffix is ill-formed. |
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| 10 | 123wibble; // expected-error {{invalid suffix 'wibble'}} |
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| 11 | 123.0wibble; // expected-error {{invalid suffix 'wibble'}} |
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| 12 | const char *p = ""wibble; // expected-error {{invalid suffix on literal; C++11 requires a space between literal and identifier}} expected-error {{expected ';'}} |
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| 13 | const char *q = R"x("hello")x"wibble; // expected-error {{invalid suffix on literal; C++11 requires a space between literal and identifier}} expected-error {{expected ';'}} |
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| 14 | } |
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| 15 | |
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