1 files changed, 93 insertions, 0 deletions
diff --git a/test/Sema/pragma-pack-2.c b/test/Sema/pragma-pack-2.c
new file mode 100644
index 0000000..25be553
--- /dev/null
+++ b/test/Sema/pragma-pack-2.c
@@ -0,0 +1,93 @@
+// RUN: clang-cc -triple i686-apple-darwin9 %s -fsyntax-only -verify
+
+#include <stddef.h>
+
+#pragma pack(4)
+
+// Baseline
+struct s0 {
+  char f0;
+  int  f1;
+};
+extern int a0[offsetof(struct s0, f1) == 4 ? 1 : -1];
+
+#pragma pack(push, 2)
+struct s1 {
+  char f0;
+  int  f1;
+};
+extern int a1[offsetof(struct s1, f1) == 2 ? 1 : -1];
+#pragma pack(pop)
+
+// Test scope of definition
+
+#pragma pack(push, 2)
+struct s2_0 {
+#pragma pack(pop)
+  char f0;
+  int  f1;
+};
+extern int a2_0[offsetof(struct s2_0, f1) == 2 ? 1 : -1];
+
+struct s2_1 {
+  char f0;
+#pragma pack(push, 2)
+  int  f1;
+#pragma pack(pop)
+};
+extern int a2_1[offsetof(struct s2_1, f1) == 4 ? 1 : -1];
+
+struct s2_2 {
+  char f0;
+  int  f1;
+#pragma pack(push, 2)
+};
+#pragma pack(pop)
+extern int a2_2[offsetof(struct s2_2, f1) == 4 ? 1 : -1];
+
+struct s2_3 {
+  char f0;
+#pragma pack(push, 2)
+  struct s2_3_0 { 
+#pragma pack(pop)
+    int f0; 
+  } f1;
+};
+extern int a2_3[offsetof(struct s2_3, f1) == 2 ? 1 : -1];
+
+struct s2_4 {
+  char f0;
+  struct s2_4_0 { 
+    int f0; 
+#pragma pack(push, 2)
+  } f1;
+#pragma pack(pop)
+};
+extern int a2_4[offsetof(struct s2_4, f1) == 4 ? 1 : -1];
+
+#pragma pack(1)
+struct s3_0 {
+  char f0;
+  int f1;
+};
+#pragma pack()
+struct s3_1 {
+  char f0;
+  int f1;
+};
+extern int a3_0[offsetof(struct s3_0, f1) == 1 ? 1 : -1];
+extern int a3_1[offsetof(struct s3_1, f1) == 4 ? 1 : -1];
+
+// pack(0) is like pack()
+#pragma pack(1)
+struct s4_0 {
+  char f0;
+  int f1;
+};
+#pragma pack(0)
+struct s4_1 {
+  char f0;
+  int f1;
+};
+extern int a4_0[offsetof(struct s4_0, f1) == 1 ? 1 : -1];
+extern int a4_1[offsetof(struct s4_1, f1) == 4 ? 1 : -1];