Replace g++.dg/pr65802.C with gcc.dg/pr65802.c

2015-04-24  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/65802
	* g++.dg/pr65802.C: Move to ...
	* gcc.dg/pr65802.c: ... here.  Add -fexceptions to dg-options. Include
	stdarg.h.  Rewrite for C.
	(fn1): Use va_list and va_arg.  Make variable args function.  Add use of
	va_start and va_end.  Remove unnecessary inline asm.

From-SVN: r222413

gcc/testsuite/ChangeLog

+2015-04-24  Tom de Vries  <tom@codesourcery.com>
+
+	PR tree-optimization/65802
+	* g++.dg/pr65802.C: Move to ...
+	* gcc.dg/pr65802.c: ... here.  Add -fexceptions to dg-options. Include
+	stdarg.h.  Rewrite for C.
+	(fn1): Use va_list and va_arg.  Make variable args function.  Add use of
+	va_start and va_end.  Remove unnecessary inline asm.
+
 2015-04-24  Uros Bizjak  <ubizjak@gmail.com>
 	    Wei Mi  <wmi@google.com>
 

gcc/testsuite/g++.dg/pr65802.C

-// { dg-do compile }
-// { dg-options "-O0" }
-
-typedef int tf ();
-
-struct S
-{
-  tf m_fn1;
-} a;
-
-void
-fn1 ()
-{
-  try
-    {
-      __builtin_va_list c;
-      {
-	int *d = __builtin_va_arg (c, int *);
-	int **e = &d;
-	__asm__("" : "=d"(e));
-	a.m_fn1 ();
-      }
-      a.m_fn1 ();
-    }
-  catch (...)
-    {
-
-    }
-}

gcc/testsuite/gcc.dg/pr65802.c

+/* { dg-do compile } */
+/* { dg-options "-O0 -fexceptions" } */
+
+#include <stdarg.h>
+
+struct S
+{
+  int (*m_fn1) (void);
+} a;
+
+void
+fn1 (int d, ...)
+{
+  va_list c;
+  va_start (c, d);
+
+  {
+    int *d = va_arg (c, int *);
+
+    int **e = &d;
+
+    a.m_fn1 ();
+  }
+
+  a.m_fn1 ();
+
+  va_end (c);
+}