| 1 | // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify %s |
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| 2 | // RUN: %clang_cc1 -triple x86_64-unknown-windows-msvc -fsyntax-only -verify %s |
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| 3 | |
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| 4 | int printf(const char *restrict, ...); |
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| 5 | |
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| 6 | struct bitfields { |
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| 7 | long a : 2; |
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| 8 | unsigned long b : 2; |
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| 9 | long c : 32; // assumes that int is 32 bits |
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| 10 | unsigned long d : 32; // assumes that int is 32 bits |
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| 11 | } bf; |
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| 12 | |
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| 13 | void bitfield_promotion() { |
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| 14 | printf("%ld", bf.a); // expected-warning {{format specifies type 'long' but the argument has type 'int'}} |
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| 15 | printf("%lu", bf.b); // expected-warning {{format specifies type 'unsigned long' but the argument has type 'int'}} |
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| 16 | printf("%ld", bf.c); // expected-warning {{format specifies type 'long' but the argument has type 'int'}} |
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| 17 | printf("%lu", bf.d); // expected-warning {{format specifies type 'unsigned long' but the argument has type 'unsigned int'}} |
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| 18 | } |
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| 19 | |
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