Add gcc.target/x86_64/abi/callabi/vaarg-6.c

2015-02-17  Tom de Vries  <tom@codesourcery.com>

	* gcc.target/x86_64/abi/callabi/vaarg-6.c: New test.

From-SVN: r220757

gcc/testsuite/ChangeLog

+2015-02-17  Tom de Vries  <tom@codesourcery.com>
+
+	* gcc.target/x86_64/abi/callabi/vaarg-6.c: New test.
+
 2015-02-17  Paolo Carlini  <paolo.carlini@oracle.com>
 	    Jakub Jelinek  <jakub@redhat.com>
 

gcc/testsuite/gcc.target/x86_64/abi/callabi/vaarg-6.c

+/* { dg-do run } */
+/* { dg-options "-O2 -mabi=ms -std=gnu99 -fno-builtin" } */
+
+#include <stdarg.h>
+
+extern void __attribute__ ((sysv_abi)) abort (void);
+
+char *a = "1";
+char *b = "2";
+
+static void __attribute__((noinline,noclone))
+do_cpy2 (va_list argp)
+{
+  char *e;
+
+  e = va_arg (argp, char *);
+  e = va_arg (argp, char *);
+  if (e != b)
+    abort ();
+}
+
+void __attribute__((noinline,noclone))
+do_cpy (int dummy, ...)
+{
+  va_list argp;
+
+  va_start (argp, dummy);
+
+  do_cpy2 (argp);
+
+  va_end (argp);
+}
+
+int __attribute__ ((sysv_abi))
+main ()
+{
+  do_cpy (0, a, b);
+
+  return 0;
+}