1 files changed, 39 insertions, 0 deletions
diff --git a/clang/test/CodeGen/2008-01-25-ZeroSizedAggregate.c b/clang/test/CodeGen/2008-01-25-ZeroSizedAggregate.c
new file mode 100644
index 0000000..d905985
--- /dev/null
+++ b/clang/test/CodeGen/2008-01-25-ZeroSizedAggregate.c
@@ -0,0 +1,39 @@
+// RUN: %clang_cc1 %s -emit-llvm -o -
+
+// Aggregates of size zero should be dropped from argument list.
+typedef long int Tlong;
+struct S2411 {
+  __attribute__((aligned)) Tlong:0;
+};
+
+extern struct S2411 a2411[5];
+extern void checkx2411(struct S2411);
+void test2411(void) {
+  checkx2411(a2411[0]);
+}
+
+// Proper handling of zero sized fields during type conversion.
+typedef unsigned long long int Tal2ullong __attribute__((aligned(2)));
+struct S2525 {
+ Tal2ullong: 0;
+ struct {
+ } e;
+};
+struct S2525 s2525;
+
+struct {
+  signed char f;
+  char :0;
+  struct{}h;
+  char * i[5];
+} data; 
+
+// Taking address of a zero sized field.
+struct Z {};
+struct Y {
+  int i;
+  struct Z z;
+};
+void *f(struct Y *y) {
+  return &y->z;
+}