| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include <cmath> |
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| 10 | |
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| 11 | void f() { |
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| 12 | unsigned int ui = -5; |
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| 13 | (void)std::abs(ui); // expected-error {{call to 'abs' is ambiguous}} |
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| 14 | |
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| 15 | unsigned char uc = -5; |
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| 16 | (void)std::abs(x: uc); // expected-warning {{taking the absolute value of unsigned type 'unsigned char' has no effect}} |
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| 17 | |
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| 18 | unsigned short us = -5; |
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| 19 | (void)std::abs(x: us); // expected-warning {{taking the absolute value of unsigned type 'unsigned short' has no effect}} |
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| 20 | |
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| 21 | unsigned long ul = -5; |
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| 22 | (void)std::abs(ul); // expected-error {{call to 'abs' is ambiguous}} |
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| 23 | |
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| 24 | unsigned long long ull = -5; |
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| 25 | (void)std::abs(ull); // expected-error {{call to 'abs' is ambiguous}} |
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| 26 | } |
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| 27 | |
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