1  /* PR tree-optimization/71625 - conversion of braced initializers to strings
       2     Verify that array elements have the expected values regardless of sign
       3     and non-ASCII execution character set.
       4     { dg-do compile }
       5     { dg-require-iconv "IBM1047" }
       6     { dg-options "-O -Wall -fexec-charset=IBM1047 -fdump-tree-gimple -fdump-tree-optimized" } */
       7  
       8  #include "strlenopt.h"
       9  
      10  const char a[] = { 'a', 129, 0 };
      11  const signed char b[] = { 'b', 130, 0 };
      12  const unsigned char c[] = { 'c', 131, 0 };
      13  
      14  const char s[] = "a\201";
      15  const signed char ss[] = "b\202";
      16  const unsigned char us[] = "c\203";
      17  
      18  
      19  #define A(expr)   ((expr) ? (void)0 : __builtin_abort ())
      20  
      21  void test_values (void)
      22  {
      23    A (a[0] == a[1]);
      24    A (a[1] == 'a');
      25  
      26    A (b[0] == b[1]);
      27    A (b[1] == (signed char)'b');
      28  
      29    A (c[0] == c[1]);
      30    A (c[1] == (unsigned char)'c');
      31  }
      32  
      33  void test_lengths (void)
      34  {
      35    A (2 == strlen (a));
      36    A (2 == strlen ((const char*)b));
      37    A (2 == strlen ((const char*)c));
      38  }
      39  
      40  void test_contents (void)
      41  {
      42    A (0 == strcmp (a, s));
      43    A (0 == strcmp ((const char*)b, (const char*)ss));
      44    A (0 == strcmp ((const char*)c, (const char*)us));
      45  }
      46  
      47  
      48  /* { dg-final { scan-tree-dump-times "strlen1" 0 "gimple" } }
      49     { dg-final { scan-tree-dump-times "strcmp" 0 "gimple" } }
      50     { dg-final { scan-tree-dump-times "abort" 0 "optimized" } } */