gcc/testsuite/gcc.dg/bconstp-4.c

   1 /* Test that a condition is not counted as a call to
   2    __builtin_constant_p if that call is itself inside a conditional
   3    expression with __builtin_constant_p condition.  */
   4 /* { dg-do compile } */
   5
   6 extern int foo(void);
   7
   8 #define X(exp) (__builtin_choose_expr(1, __builtin_constant_p(exp), 1) ? (exp) : -1)
   9
  10 const int x = ((__builtin_constant_p(1) ? __builtin_constant_p (0 && foo()) : 0) ? (0 && foo()) : -1); /* { dg-error "initializer element is not a constant expression" } */