1 files changed, 16 insertions, 0 deletions
diff --git a/test/SemaCXX/attr-aligned.cpp b/test/SemaCXX/attr-aligned.cpp
new file mode 100644
index 0000000..4b9c55f
--- /dev/null
+++ b/test/SemaCXX/attr-aligned.cpp
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
+// expected-no-diagnostics
+
+typedef struct S1 { char c; } S1 __attribute__((aligned(8)));
+static_assert(alignof(S1) == 8, "attribute ignored");
+static_assert(alignof(struct S1) == 1, "attribute applied to original type");
+
+typedef struct __attribute__((aligned(8))) S2 { char c; } AS;
+static_assert(alignof(S2) == 8, "attribute not propagated");
+static_assert(alignof(struct S2) == 8, "attribute ignored");
+
+typedef struct __attribute__((aligned(4))) S3 {
+  char c;
+} S3 __attribute__((aligned(8)));
+static_assert(alignof(S3) == 8, "attribute ignored");
+static_assert(alignof(struct S3) == 4, "attribute clobbered");