gcc/testsuite/c-c++-common/asan/no-redundant-instrumentation-13.c

   1 /* { dg-options "-fdump-tree-sanopt" } */
   2 /* { dg-do compile } */
   3 /* { dg-skip-if "" { *-*-* } { "*" } { "-O0" } } */
   4
   5 void
   6 foo (char *p)
   7 {
   8   __builtin_memcpy (p, "abc", 0);
   9   /* This generates a __builtin___asan_report_store1 because we didn't access
  10      any byte in previous memcpy because of zero length parameter.  */
  11   p[0] = 'd';
  12 }
  13
  14 /* { dg-final { scan-tree-dump-times "__builtin___asan_report_store1" 1 "sanopt" } } */
  15 /* { dg-final { cleanup-tree-dump "sanopt" } } */