1 files changed, 42 insertions, 0 deletions
diff --git a/clang/test/Sema/pragma-pack-and-options-align.c b/clang/test/Sema/pragma-pack-and-options-align.c
new file mode 100644
index 0000000..ebf1ade
--- /dev/null
+++ b/clang/test/Sema/pragma-pack-and-options-align.c
@@ -0,0 +1,42 @@
+// RUN: %clang_cc1 -triple i686-apple-darwin9 %s -fsyntax-only -verify
+
+// Check that #pragma pack and #pragma options share the same stack.
+
+#pragma pack(push, 1)
+struct s0 {
+  char c;
+  int x;
+};
+extern int a[sizeof(struct s0) == 5 ? 1 : -1];
+
+#pragma options align=natural
+struct s1 {
+  char c;
+  int x;
+};
+extern int a[sizeof(struct s1) == 8 ? 1 : -1];
+
+#pragma options align=reset
+#pragma options align=native
+struct s1_1 {
+  char c;
+  int x;
+};
+extern int a[sizeof(struct s1_1) == 8 ? 1 : -1];
+
+#pragma pack(pop)
+struct s2 {
+  char c;
+  int x;
+};
+extern int a[sizeof(struct s2) == 5 ? 1 : -1];
+#pragma pack(pop)
+
+struct s3 {
+  char c;
+  int x;
+};
+extern int a[sizeof(struct s3) == 8 ? 1 : -1];
+
+/* expected-warning {{#pragma options align=reset failed: stack empty}} */ #pragma options align=reset
+/* expected-warning {{#pragma pack(pop, ...) failed: stack empty}} */ #pragma pack(pop)