gcc/testsuite/gcc.dg/Warray-bounds-51-novec.c

   1 /* PR middle-end/92333 - missing variable name referencing VLA in warnings
   2    PR middle-end/82608 - missing -Warray-bounds on an out-of-bounds VLA index
   3    { dg-do compile }
   4    { dg-options "-O2 -Wall -fno-tree-vectorize" }  */
   5
   6 void sink (void*);
   7
   8 void test_struct_char_vla_location (void)
   9 {
  10   unsigned nelts = 7;
  11
  12   struct {
  13     char cvla[nelts]; // { dg-message "declared here|while referencing" }
  14   } s;
  15
  16   s.cvla[0] = __LINE__;
  17   s.cvla[nelts - 1] = 0;
  18   s.cvla[nelts] = 0;  // { dg-warning "\\\[-Warray-bounds" }
  19
  20   sink (&s);
  21 }