1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pragma-align.c b/gcc/testsuite/gcc.dg/pragma-align.c
new file mode 100644
index 000000000..3569a1fb2
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pragma-align.c
@@ -0,0 +1,47 @@
+/* Prove that pragma alignment handling works somewhat. */
+
+/* { dg-do run } */
+
+extern void abort (void);
+
+struct {
+        char one;
+        long two;
+} defaultalign;
+
+#if defined(__LP64__)
+#pragma pack(8)
+#else
+#pragma pack(4)
+#endif
+struct {
+        char one;
+        long two;
+} sixteen;
+
+#pragma pack(1)
+struct {
+        char one;
+        long two;
+} two;
+
+#pragma pack(2)
+struct {
+        char one;
+        long two;
+} three;
+
+#pragma pack()
+struct {
+        char one;
+        long two;
+} resetalign;
+
+main()
+{
+        if(sizeof(sixteen) < sizeof(defaultalign)) abort();
+        if(sizeof(two) >= sizeof(defaultalign)) abort();
+        if(sizeof(three) <= sizeof(two)) abort();
+        if(sizeof(resetalign) != sizeof(defaultalign)) abort();
+	return 0;
+}