| 1 | // RUN: %clang_cc1 -fsyntax-only %s -std=c++14 -verify |
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| 2 | |
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| 3 | // This is a test for an egregious hack in Clang that works around |
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| 4 | // an issue with libstdc++'s detection of whether glibc provides a |
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| 5 | // ::gets function. If there is no ::gets, ignore |
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| 6 | // using ::gets; |
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| 7 | // in namespace std. |
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| 8 | // |
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| 9 | // See PR18402 and gcc.gnu.org/PR77795 for more details. |
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| 10 | |
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| 11 | #ifdef BE_THE_HEADER |
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| 12 | |
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| 13 | #pragma GCC system_header |
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| 14 | namespace std { |
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| 15 | using ::gets; |
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| 16 | using ::getx; // expected-error {{no member named 'getx'}} |
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| 17 | } |
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| 18 | |
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| 19 | #else |
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| 20 | |
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| 21 | #define BE_THE_HEADER |
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| 22 | #include "libstdcxx_pointer_return_false_hack.cpp" |
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| 23 | |
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| 24 | namespace foo { |
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| 25 | using ::gets; // expected-error {{no member named 'gets'}} |
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| 26 | } |
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| 27 | |
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| 28 | #endif |
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| 29 | |
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