gcc/testsuite/gcc.dg/pr64715-1.c

   1 /* PR tree-optimization/64715 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4
   5 extern inline __attribute__ ((always_inline, gnu_inline, artificial, nothrow, leaf)) char *
   6 strcpy (char *__restrict dest, const char *__restrict src)
   7 {
   8   return __builtin___strcpy_chk (dest, src, __builtin_object_size (dest, 2 > 1));
   9 }
  10
  11 const char *str1 = "JIHGFEDCBA";
  12 void bar (char *);
  13
  14 void
  15 foo ()
  16 {
  17   struct A { char buf1[9]; char buf2[1]; } a;
  18   strcpy (a.buf1 + (0 + 4), str1 + 5);
  19   bar ((char *) &a);
  20 }
  21
  22 /* { dg-final { scan-tree-dump "__builtin___strcpy_chk\[^;\n\r\]*, 5\\\);" "optimized" } } */