gcc/testsuite/gcc.dg/vla-init-1.c

   1 /* Test for tree-checking error when initializing a variable-length array
   2    (not allowed): constructor_max_index needs to be an INTEGER_CST.  */
   3 /* Origin: Joseph Myers <jsm28@cam.ac.uk>.  */
   4 /* { dg-do compile } */
   5 /* { dg-options "" } */
   6
   7 int a;
   8
   9 void
  10 foo (void)
  11 {
  12   int x[a] = { 1 }; /* { dg-error "variable-sized object may not be initialized" "VLA init" } */
  13   /* { dg-warning "excess elements in array initializer" "excess" { target *-*-* } 12 } */
  14   /* { dg-message "near initialization" "near" { target *-*-* } 12 } */
  15 }