* gcc.dg/pragma-align.c: New test.

From-SVN: r36323

gcc/testsuite/ChangeLog

+2000-09-11  Robert Lipe  <robertl@sco.com>
+	
+	* gcc.dg/pragma-align.c: New test.
+
 2000-09-11  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* g++.old-deja/g++.pt/explicit82.C: New test.

gcc/testsuite/gcc.dg/pragma-align.c

+/* Prove that HANDLE_SYSTEMV_PRAGMA alignment handling works somewhat. */
+
+/* { dg-do compile { target i?86-*-linux* i?86-*-*bsd* i?86-*-sco3.2v5* } } */
+
+struct {
+        char one;
+        long two;
+} defaultalign;
+
+#pragma pack(4)
+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();
+}
+