gcc/testsuite/c-c++-common/Wunused-var-10.c

   1 /* PR c++/44362 */
   2 /* { dg-options "-Wunused" } */
   3 /* { dg-do compile } */
   4
   5 int
   6 f1 (int u, int v)
   7 {
   8   int a, b, c, d, e, f, g, h, i;
   9   a = u;
  10   b = v;
  11   c = u;
  12   d = v;
  13   e = u;
  14   f = v;
  15   g = u == 6 ? a : b;
  16   h = 0 ? c : d;
  17   i = 1 ? e : f;
  18   return g + h + i;
  19 }
  20
  21 int
  22 f2 (int u, int v)
  23 {
  24   int a, b, c, d, e, f, g, h, i;
  25   a = u;
  26   b = v;
  27   c = u;
  28   d = v;
  29   e = u;
  30   f = v;
  31   g = u == 6 ? a + 1 : b;
  32   h = 0 ? c + 1 : d;
  33   i = 1 ? e + 1 : f;
  34   return g + h + i;
  35 }
  36
  37 int
  38 f3 (int u, int v)
  39 {
  40   int a, b, c, d, e, f, g, h, i;
  41   a = u;
  42   b = v;
  43   c = u;
  44   d = v;
  45   e = u;
  46   f = v;
  47   g = u == 6 ? a : b + 1;
  48   h = 0 ? c : d + 1;
  49   i = 1 ? e : f + 1;
  50   return g + h + i;
  51 }
  52
  53 int
  54 f4 (int u, int v)
  55 {
  56   int a, c, e, g, h, i;
  57   long b, d, f;
  58   a = u;
  59   b = v;
  60   c = u;
  61   d = v;
  62   e = u;
  63   f = v;
  64   g = u == 6 ? a : b;
  65   h = 0 ? c : d;
  66   i = 1 ? e : f;
  67   return g + h + i;
  68 }