gcc/testsuite/c-c++-common/asan/kasan-alloca-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fno-sanitize=address -fsanitize=kernel-address --param asan-instrument-allocas=1 --param asan-stack=1 -fdump-tree-sanopt" } */
   3 /* { dg-skip-if "" { *-*-* } { "*" } { "-O0" } } */
   4
   5 void foo(int index, int len) {
   6   char str[len];
   7   str[index] = '1'; // BOOM
   8 }
   9
  10 /* { dg-final { scan-tree-dump-times "__builtin___asan_alloca_poison" 1 "sanopt" } } */
  11 /* { dg-final { scan-tree-dump-times "__builtin___asan_allocas_unpoison" 1 "sanopt" } } */