alignment-of-derived-class.cpp
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// 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");