1  /* { dg-do preprocess { target c } } */
       2  /* { dg-options "-traditional-cpp" } */
       3  
       4  #if __has_include ("stdlib.h")
       5  #else
       6  #error error 1
       7  #endif
       8  #if __has_include (<stdlib.h>)
       9  #else
      10  #error error 2
      11  #endif
      12  #if !__has_include ("stdlib.h")
      13  #error error 3
      14  #elif !__has_include (<stdlib.h>)
      15  #error error 4
      16  #endif
      17  #if __has_include ("stdlib.h") && __has_include (<stdlib.h>)
      18  #else
      19  #error error 5
      20  #endif
      21  #if !defined(__has_include)
      22  #error error 6
      23  #endif
      24  #ifndef __has_include
      25  #error error 7
      26  #endif
      27  #ifdef __has_include
      28  #else
      29  #error error 8
      30  #endif
      31  #define m1 __has_include("stdlib.h")
      32  #define m2 <stdlib.h>
      33  #if !m1
      34  #error error 9
      35  #endif
      36  #if !__has_include (m2)
      37  #error error 13
      38  #endif