1 files changed, 111 insertions, 0 deletions
diff --git a/test/Sema/struct-packed-align.c b/test/Sema/struct-packed-align.c
new file mode 100644
index 0000000..8250c14
--- /dev/null
+++ b/test/Sema/struct-packed-align.c
@@ -0,0 +1,111 @@
+// RUN: clang-cc %s -fsyntax-only -verify
+
+// Packed structs.
+struct s {
+    char a;
+    int b  __attribute__((packed));
+    char c;
+    int d;
+};
+
+extern int a1[sizeof(struct s) == 12 ? 1 : -1];
+extern int a2[__alignof(struct s) == 4 ? 1 : -1];
+
+struct __attribute__((packed)) packed_s {
+    char a;
+    int b  __attribute__((packed));
+    char c;
+    int d;
+};
+
+extern int b1[sizeof(struct packed_s) == 10 ? 1 : -1];
+extern int b2[__alignof(struct packed_s) == 1 ? 1 : -1];
+
+struct fas {
+    char a;
+    int b[];
+};
+
+extern int c1[sizeof(struct fas) == 4 ? 1 : -1];
+extern int c2[__alignof(struct fas) == 4 ? 1 : -1];
+
+struct __attribute__((packed)) packed_fas {
+    char a;
+    int b[];
+};
+
+extern int d1[sizeof(struct packed_fas) == 1 ? 1 : -1];
+extern int d2[__alignof(struct packed_fas) == 1 ? 1 : -1];
+
+// Alignment
+
+struct __attribute__((aligned(8))) as1 {
+    char c;
+};
+
+extern int e1[sizeof(struct as1) == 8 ? 1 : -1];
+extern int e2[__alignof(struct as1) == 8 ? 1 : -1];
+
+// FIXME: Will need to force arch once max usable alignment isn't hard
+// coded.
+struct __attribute__((aligned)) as1_2 {
+    char c;
+};
+extern int e1_2[sizeof(struct as1_2) == 16 ? 1 : -1];
+extern int e2_2[__alignof(struct as1_2) == 16 ? 1 : -1];
+
+struct as2 {
+    char c;
+    int __attribute__((aligned(8))) a;
+};
+
+extern int f1[sizeof(struct as2) == 16 ? 1 : -1];
+extern int f2[__alignof(struct as2) == 8 ? 1 : -1];
+
+struct __attribute__((packed)) as3 {
+    char c;
+    int a;
+    int __attribute__((aligned(8))) b;
+};
+
+extern int g1[sizeof(struct as3) == 16 ? 1 : -1];
+extern int g2[__alignof(struct as3) == 8 ? 1 : -1];
+
+
+// rdar://5921025
+struct packedtest {
+  int ted_likes_cheese;
+  void *args[] __attribute__((packed));
+};
+
+// Packed union
+union __attribute__((packed)) au4 {char c; int x;};
+extern int h1[sizeof(union au4) == 4 ? 1 : -1];
+extern int h2[__alignof(union au4) == 1 ? 1 : -1];
+
+// Aligned union
+union au5 {__attribute__((aligned(4))) char c;};
+extern int h1[sizeof(union au5) == 4 ? 1 : -1];
+extern int h2[__alignof(union au5) == 4 ? 1 : -1];
+
+// Alignment+packed
+struct as6 {char c; __attribute__((packed, aligned(2))) int x;};
+extern int i1[sizeof(struct as6) == 6 ? 1 : -1];
+extern int i2[__alignof(struct as6) == 2 ? 1 : -1];
+
+union au6 {char c; __attribute__((packed, aligned(2))) int x;};
+extern int k1[sizeof(union au6) == 4 ? 1 : -1];
+extern int k2[__alignof(union au6) == 2 ? 1 : -1];
+
+// Check postfix attributes
+union au7 {char c; int x;} __attribute__((packed));
+extern int l1[sizeof(union au7) == 4 ? 1 : -1];
+extern int l2[__alignof(union au7) == 1 ? 1 : -1];
+
+struct packed_fas2 {
+    char a;
+    int b[];
+} __attribute__((packed));
+
+extern int m1[sizeof(struct packed_fas2) == 1 ? 1 : -1];
+extern int m2[__alignof(struct packed_fas2) == 1 ? 1 : -1];