Add test cases for all the new cilk errors

gcc/testsuite/:

2014-11-10  Andi Kleen  <ak@linux.intel.com>

	* c-c++-common/cilk-plus/CK/errors.c: New test.

From-SVN: r217334

gcc/testsuite/ChangeLog

+2014-11-10  Andi Kleen  <ak@linux.intel.com>
+
+	* c-c++-common/cilk-plus/CK/errors.c: New test.
+
 2014-11-11  Uros Bizjak  <ubizjak@gmail.com>
 	    Ilya Enkovich  <ilya.enkovich@intel.com>
 

gcc/testsuite/c-c++-common/cilk-plus/CK/errors.c

+/* { dg-do compile } */
+/* { dg-options "-fcilkplus" } */
+
+int func_2(void);
+
+int check_spawn(int v)
+{
+  if (_Cilk_spawn func_2()) /* { dg-error "cannot contain" "" { target c } } */
+  /* XXX: no error in C++ */
+    ;
+  if (v + _Cilk_spawn func_2())  /* { dg-error "cannot contain" "" { target c } } */
+  /* { dg-error "invalid use" "" { target c++ } 11 } */
+    ;
+  if (v, _Cilk_spawn func_2()) /* { dg-error "spawned function call cannot be part" } */
+    ;
+  v, _Cilk_spawn func_2(); /* { dg-error "spawned function call cannot be part" } */
+  while (_Cilk_spawn func_2())  /* { dg-error "a condition for while statement" } */
+    ;
+  while (v + _Cilk_spawn func_2())  /* { dg-error "a condition for while statement" } */
+    ;
+  for (; _Cilk_spawn func_2() ;)  /* { dg-error "cannot be used" } */
+    ;
+  for (; v + _Cilk_spawn func_2() ;)  /* { dg-error "cannot be used" } */
+    ;
+  v + _Cilk_spawn func_2(); /* { dg-error } */
+  for (_Cilk_spawn func_2() ;;)
+    ;
+  for (;; _Cilk_spawn func_2())
+    ;
+  do {} while(_Cilk_spawn func_2());  /* { dg-error "cannot be used" } */
+  do {} while(v + _Cilk_spawn func_2());  /* { dg-error "cannot be used" } */
+  switch (_Cilk_spawn func_2())   /* { dg-error "cannot be used" } */
+    {
+    default: break;
+    }
+  goto *(_Cilk_spawn func_2()); /* { dg-error "cannot be used" } */
+
+  return _Cilk_spawn func_2(); /* { dg-error "is not allowed" } */
+}
+
+int check_array_notation(int x[100], int y[100])
+{
+  x[0:100] = y[0:100];
+  for (; x[0:100] = y[0:100]; )  /* { dg-error "cannot be used" } */
+    ;
+  while (x[0:100] = y[0:100])  /* { dg-error "cannot be used" } */
+    ;
+  switch (x[0:100] = y[0:100])  /* { dg-error "cannot be used" } */
+    {
+      default: break;
+    }
+  do {} while (x[0:100] = y[0:100]);  /* { dg-error "cannot be used" } */
+  if (x[0:100] = y[0:100]) /* allowed */
+    ;
+  return x[0:100] = y[0:100]; /* { dg-error "cannot be used" } */
+}