gcc/testsuite/gcc.dg/strcmpopt_9.c

   1 /* PR tree-optimization/92683 - strncmp incorrect result with equal substrings
   2    and nonconst bound
   3    { dg-do run }
   4    { dg-options "-O2 -Wall" } */
   5
   6 #include "strlenopt.h"
   7
   8 #define ident(n) ident (n)
   9
  10 __attribute__ ((noclone, noinline, noipa)) size_t
  11 ident (size_t x)
  12 {
  13   return x;
  14 }
  15
  16 int nfails;
  17
  18 __attribute__ ((noclone, noinline, noipa)) void
  19 failure_on_line (int line)
  20 {
  21   __builtin_printf ("failure on line %i\n", line);
  22   ++nfails;
  23 }
  24
  25 #include "strcmpopt_8.c"
  26
  27 int main (void)
  28 {
  29   test_literal ();
  30   test_cst_array ();
  31
  32   if (nfails)
  33     __builtin_abort ();
  34 }