sdcc/support/regression/tests/unreachable.c

   1 /*
   2    C2X unreachable
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_c23
   9
  10 #include <stddef.h>
  11
  12 // todo: drop dis extra macro once we have c23 preprocessor support
  13 #ifndef unreachable
  14 #define unreachable __builtin_unreachable
  15 #endif
  16
  17 volatile int i;
  18
  19 void f(void)
  20 {
  21         if(i)
  22                 unreachable();
  23 }
  24 #endif
  25
  26 void
  27 testUnreachable(void)
  28 {
  29 #ifdef __SDCC
  30         if(0)
  31                 unreachable();
  32         f();
  33 #endif
  34 }
  35