| 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 | // In C++, the bitfield promotion from long to int does not occur, unlike C. |
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| 5 | // expected-no-diagnostics |
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| 6 | |
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| 7 | int printf(const char *restrict, ...); |
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| 8 | |
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| 9 | struct bitfields { |
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| 10 | long a : 2; |
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| 11 | unsigned long b : 2; |
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| 12 | long c : 32; // assumes that int is 32 bits |
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| 13 | unsigned long d : 32; // assumes that int is 32 bits |
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| 14 | } bf; |
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| 15 | |
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| 16 | void bitfield_promotion() { |
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| 17 | printf("%ld", bf.a); |
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| 18 | printf("%lu", bf.b); |
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| 19 | printf("%ld", bf.c); |
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| 20 | printf("%lu", bf.d); |
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| 21 | } |
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| 22 | |
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