* gcc.dg/enum1.c: New test.

From-SVN: r52815

gcc/testsuite/ChangeLog

+2002-04-26  Alexandre Oliva  <aoliva@redhat.com>
+
+	* gcc.dg/enum1.c: New test.
+
 2002-04-26  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/6497

gcc/testsuite/g++.dg/abi/enum1.C

@@ -9,7 +9,7 @@ enum foo
   foo3   = 0xf0fffffffffffffeULL
 };
 
-int main (int i)
+int main ()
 {
   if (sizeof (enum foo) != sizeof (unsigned long long))
     std::abort ();

gcc/testsuite/gcc.dg/enum1.c

+/* { dg-do run } */
+/* { dg-options "-std=gnu89" } */
+
+/* In standard C, enumeration constants always have type int.  If they
+   are not representables are int, they're ill-formed.  In GNU C, we
+   give such ill-formed constructs well-defined meaning.  Make sure it
+   works.  */
+
+#include <stdlib.h>
+
+enum foo
+{
+  foo1   = 0,
+  foo2   = 0xffffffffffffffffULL,
+  foo3   = 0xf0fffffffffffffeULL
+};
+
+int main ()
+{
+  if (sizeof (enum foo) != sizeof (unsigned long long))
+    abort ();
+  exit (0);
+}