1  /* PR tree-optimization/84436 */
       2  /* { dg-options "-O2 -fdump-tree-switchconv -fdump-tree-optimized" } */
       3  
       4  char
       5  lowerit(char a)
       6  {
       7    switch (a)
       8      {
       9      default:
      10        return a;
      11      case 'A':
      12        return 'a';
      13      case 'B':
      14        return 'b';
      15      case 'C':
      16        return 'c';
      17      case 'D':
      18        return 'd';
      19      case 'E':
      20        return 'e';
      21      case 'F':
      22        return 'f';
      23      case 'G':
      24        return 'g';
      25      case 'H':
      26        return 'h';
      27      case 'I':
      28        return 'i';
      29      case 'J':
      30        return 'j';
      31      case 'K':
      32        return 'k';
      33      case 'L':
      34        return 'l';
      35      case 'M':
      36        return 'm';
      37      case 'N':
      38        return 'n';
      39      case 'O':
      40        return 'o';
      41      case 'P':
      42        return 'p';
      43      case 'Q':
      44        return 'q';
      45      case 'R':
      46        return 'r';
      47      case 'S':
      48        return 's';
      49      case 'T':
      50        return 't';
      51      case 'U':
      52        return 'u';
      53      case 'V':
      54        return 'v';
      55      case 'W':
      56        return 'w';
      57      case 'X':
      58        return 'x';
      59      case 'Y':
      60        return 'y';
      61      case 'Z':
      62        return 'z';
      63      }
      64  }
      65  
      66  /* { dg-final { scan-tree-dump-times "a_.*\\+ 32" 1 "switchconv" } } */
      67  /* { dg-final { scan-tree-dump-not "switch" "optimized" } } */