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Diffstat (limited to 'test/SemaCXX/alignment-of-derived-class.cpp')
-rw-r--r-- | test/SemaCXX/alignment-of-derived-class.cpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/test/SemaCXX/alignment-of-derived-class.cpp b/test/SemaCXX/alignment-of-derived-class.cpp new file mode 100644 index 0000000..28c1fa9 --- /dev/null +++ b/test/SemaCXX/alignment-of-derived-class.cpp @@ -0,0 +1,41 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11 +// expected-no-diagnostics + +// Test that the alignment of a empty direct base class is correctly +// inherited by the derived class. + +struct A { +} __attribute__ ((aligned(16))); + +static_assert(__alignof(A) == 16, "A should be aligned to 16 bytes"); + +struct B1 : public A { +}; + +static_assert(__alignof(B1) == 16, "B1 should be aligned to 16 bytes"); + +struct B2 : public A { +} __attribute__ ((aligned(2))); + +static_assert(__alignof(B2) == 16, "B2 should be aligned to 16 bytes"); + +struct B3 : public A { +} __attribute__ ((aligned(4))); + +static_assert(__alignof(B3) == 16, "B3 should be aligned to 16 bytes"); + +struct B4 : public A { +} __attribute__ ((aligned(8))); + +static_assert(__alignof(B4) == 16, "B4 should be aligned to 16 bytes"); + +struct B5 : public A { +} __attribute__ ((aligned(16))); + +static_assert(__alignof(B5) == 16, "B5 should be aligned to 16 bytes"); + +struct B6 : public A { +} __attribute__ ((aligned(32))); + +static_assert(__alignof(B6) == 32, "B6 should be aligned to 32 bytes"); + |