gcc/testsuite/c-c++-common/pr63764-1.c

   1 /* PR target/63764 */
   2 /* { dg-do compile } */
   3
   4 #define A __attribute__((vector_size (4 * sizeof (float))))
   5 typedef float V A;
   6
   7 void
   8 fn1 (V *x)
   9 {
  10   V a = *x;
  11   ((V) a)[0] = 0;       /* { dg-error "lvalue required as left operand of assignment" } */
  12   *x = a;
  13 }
  14
  15 void
  16 fn2 (V *x)
  17 {
  18   float A a = *x;
  19   ((float A) a)[0] = 0; /* { dg-error "lvalue required as left operand of assignment" } */
  20   *x = a;
  21 }