Vendor import of clang release_34 branch r197841 (effectively, 3.4 RC3):

https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841

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");
+