* gcc.c-torture/execute/20001228-1.c: New test.

From-SVN: r38517

gcc/testsuite/ChangeLog

+2000-12-28  Geoffrey Keating  <geoffk@redhat.com>
+
+	* gcc.c-torture/execute/20001228-1.c: New test.
+
 2000-12-28  Joseph S. Myers  <jsm28@cam.ac.uk>
 
 	* gcc.dg/format-strfmon-1.c: New test.

gcc/testsuite/gcc.c-torture/execute/20001228-1.c

+int foo1(void)
+{
+  union {
+    char a[sizeof (unsigned)];
+    unsigned b;
+  } u;
+  
+  u.b = 0x01;
+  return u.a[0];
+}
+
+int foo2(void)
+{
+  volatile union {
+    char a[sizeof (unsigned)];
+    unsigned b;
+  } u;
+  
+  u.b = 0x01;
+  return u.a[0];
+}
+
+int main(void)
+{
+  if (foo1() != foo2())
+    abort ();
+  exit (0);
+}