| 1 | // RUN: %clang_cc1 %s -fsyntax-only -pedantic -verify |
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| 2 | // RUN: %clang_cc1 %s -fsyntax-only -pedantic -verify -DPREDECLARE |
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| 3 | |
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| 4 | #ifdef PREDECLARE |
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| 5 | // PR16344 |
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| 6 | // Clang has defined 'vfprint' in builtin list. If the following line occurs before any other |
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| 7 | // `vfprintf' in this file, and we getPreviousDecl()->getTypeSourceInfo() on it, then we will |
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| 8 | // get a null pointer since the one in builtin list doesn't has valid TypeSourceInfo. |
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| 9 | int vfprintf(void) { return 0; } // expected-warning {{requires inclusion of the header <stdio.h>}} |
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| 10 | #endif |
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| 11 | |
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| 12 | // PR4290 |
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| 13 | // The following declaration is compatible with vfprintf, so we shouldn't |
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| 14 | // reject. |
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| 15 | int vfprintf(); |
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| 16 | #ifndef PREDECLARE |
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| 17 | // expected-warning@-2 {{requires inclusion of the header <stdio.h>}} |
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| 18 | #endif |
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| 19 | |
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