| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11 |
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| 2 | // expected-no-diagnostics |
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| 3 | |
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| 4 | // Test that the alignment of a empty direct base class is correctly |
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| 5 | // inherited by the derived class. |
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| 6 | |
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| 7 | struct A { |
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| 8 | } __attribute__ ((aligned(16))); |
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| 9 | |
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| 10 | static_assert(__alignof(A) == 16, "A should be aligned to 16 bytes"); |
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| 11 | |
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| 12 | struct B1 : public A { |
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| 13 | }; |
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| 14 | |
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| 15 | static_assert(__alignof(B1) == 16, "B1 should be aligned to 16 bytes"); |
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| 16 | |
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| 17 | struct B2 : public A { |
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| 18 | } __attribute__ ((aligned(2))); |
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| 19 | |
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| 20 | static_assert(__alignof(B2) == 16, "B2 should be aligned to 16 bytes"); |
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| 21 | |
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| 22 | struct B3 : public A { |
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| 23 | } __attribute__ ((aligned(4))); |
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| 24 | |
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| 25 | static_assert(__alignof(B3) == 16, "B3 should be aligned to 16 bytes"); |
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| 26 | |
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| 27 | struct B4 : public A { |
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| 28 | } __attribute__ ((aligned(8))); |
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| 29 | |
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| 30 | static_assert(__alignof(B4) == 16, "B4 should be aligned to 16 bytes"); |
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| 31 | |
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| 32 | struct B5 : public A { |
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| 33 | } __attribute__ ((aligned(16))); |
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| 34 | |
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| 35 | static_assert(__alignof(B5) == 16, "B5 should be aligned to 16 bytes"); |
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| 36 | |
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| 37 | struct B6 : public A { |
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| 38 | } __attribute__ ((aligned(32))); |
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| 39 | |
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| 40 | static_assert(__alignof(B6) == 32, "B6 should be aligned to 32 bytes"); |
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| 41 | |
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| 42 | |
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