Add the clang library to the repo (with some of my changes, too).

1 files changed, 19 insertions, 0 deletions

diff --git a/clang/test/Sema/alignas.c b/clang/test/Sema/alignas.c
new file mode 100644
index 0000000..5832393
--- /dev/null
+++ b/clang/test/Sema/alignas.c
@@ -0,0 +1,19 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c1x %s
+
+_Alignas(3) int align_illegal; //expected-error {{requested alignment is not a power of 2}}
+_Alignas(int) char align_big;
+_Alignas(1) int align_small; // FIXME: this should be rejected
+_Alignas(1) unsigned _Alignas(8) int _Alignas(1) align_multiple;
+
+struct align_member {
+  _Alignas(8) int member;
+};
+
+typedef _Alignas(8) char align_typedef; // FIXME: this should be rejected
+
+_Static_assert(__alignof(align_big) == __alignof(int), "k's alignment is wrong");
+_Static_assert(__alignof(align_small) == 1, "j's alignment is wrong");
+_Static_assert(__alignof(align_multiple) == 8, "l's alignment is wrong");
+_Static_assert(__alignof(struct align_member) == 8, "quuux's alignment is wrong");
+_Static_assert(sizeof(struct align_member) == 8, "quuux's size is wrong");
+_Static_assert(__alignof(align_typedef) == 8, "typedef's alignment is wrong");