gcc/testsuite/gcc.dg/torture/pr106809.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-Wuninitialized" } */
   3
   4 int foo (int x, int *val)
   5 {
   6   switch (x)
   7     {
   8 #define C(n) \
   9     case n + 0: return *val; \
  10     case n + 1: return *val; \
  11     case n + 2: return *val; \
  12     case n + 3: return *val; \
  13     case n + 4: return *val; \
  14     case n + 5: return *val; \
  15     case n + 6: return *val; \
  16     case n + 7: return *val; \
  17     case n + 8: return *val; \
  18     case n + 9: return *val;
  19 #define C1(n) \
  20     C(n+00) C(n+10) C(n+20) C(n+30) C(n+40) \
  21     C(n+50) C(n+60) C(n+70) C(n+80) C(n+90)
  22 #define C10(n) \
  23     C1(n+000) C1(n+100) C1(n+200) C1(n+300) C1(n+400) \
  24     C1(n+500) C1(n+600) C1(n+700) C1(n+800) C1(n+900)
  25     C10(1000)
  26     }
  27   return 0;
  28 }