| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | #if __has_feature(__builtin_add_overflow) |
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| 4 | #warning defined as expected |
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| 5 | // expected-warning@-1 {{defined as expected}} |
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| 6 | #endif |
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| 7 | |
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| 8 | void test(void) { |
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| 9 | unsigned r; |
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| 10 | const char * c; |
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| 11 | float f; |
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| 12 | const unsigned q; |
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| 13 | |
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| 14 | __builtin_add_overflow(); // expected-error {{too few arguments to function call, expected 3, have 0}} |
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| 15 | __builtin_add_overflow(1, 1, 1, 1); // expected-error {{too many arguments to function call, expected 3, have 4}} |
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| 16 | |
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| 17 | __builtin_add_overflow(c, 1, &r); // expected-error {{operand argument to overflow builtin must be an integer ('const char *' invalid)}} |
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| 18 | __builtin_add_overflow(1, c, &r); // expected-error {{operand argument to overflow builtin must be an integer ('const char *' invalid)}} |
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| 19 | __builtin_add_overflow(1, 1, 3); // expected-error {{result argument to overflow builtin must be a pointer to a non-const integer ('int' invalid)}} |
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| 20 | __builtin_add_overflow(1, 1, &f); // expected-error {{result argument to overflow builtin must be a pointer to a non-const integer ('float *' invalid)}} |
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| 21 | __builtin_add_overflow(1, 1, &q); // expected-error {{result argument to overflow builtin must be a pointer to a non-const integer ('const unsigned int *' invalid)}} |
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| 22 | } |
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| 23 | |
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