1 files changed, 24 insertions, 0 deletions
diff --git a/clang/test/Sema/darwin-align-cast.c b/clang/test/Sema/darwin-align-cast.c
new file mode 100644
index 0000000..2080974
--- /dev/null
+++ b/clang/test/Sema/darwin-align-cast.c
@@ -0,0 +1,24 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+typedef long unsigned int __darwin_size_t;
+typedef long __darwin_ssize_t;
+typedef __darwin_size_t size_t;
+typedef __darwin_ssize_t ssize_t;
+
+struct cmsghdr {};
+
+#if 0
+This code below comes from the following system headers:
+sys/socket.h:#define CMSG_SPACE(l) (__DARWIN_ALIGN(sizeof(struct  
+cmsghdr)) + __DARWIN_ALIGN(l))
+
+i386/_param.h:#define __DARWIN_ALIGN(p) ((__darwin_size_t)((char *)(p)  
++ __DARWIN_ALIGNBYTES) &~ __DARWIN_ALIGNBYTES)
+#endif
+
+ssize_t sendFileDescriptor(int fd, void *data, size_t nbytes, int sendfd) {
+  union {
+    char control[(((__darwin_size_t)((char *)(sizeof(struct cmsghdr)) + (sizeof(__darwin_size_t) - 1)) &~ (sizeof(__darwin_size_t) - 1)) + ((__darwin_size_t)((char *)(sizeof(int)) + (sizeof(__darwin_size_t) - 1)) &~ (sizeof(__darwin_size_t) - 1)))];
+  } control_un;
+  return 0;
+}
+