gcc/testsuite/gcc.dg/strlenopt-42.c

   1 /* PR tree-optimization/83781 - Bootstrap failed on x86 with --with-arch=corei7
   2    --with-cpu=corei7
   3    Verify that the upper bound of the size of an array of pointers
   4    to strings isn't considered to be the upper bound of the lengths
   5    of the pointed-to strings.
   6    { dg-do compile }
   7    { dg-options "-O2 -Wall" } */
   8
   9 const char* const ap[32] = { "1", "12", "123" };
  10
  11 char d4[4];
  12 char d7[7];
  13
  14 void nowarn_range_ptr_var_1 (int i)
  15 {
  16   __builtin_sprintf (d4, "%s", ap[i]);
  17 }
  18
  19 void nowarn_range_ptr_var_2 (int i, int j)
  20 {
  21   __builtin_sprintf (d7, "%s%s", ap[i], ap[j]);
  22 }