1  /* Test including <math.h> then <float.h> does not result in errors
       2     from duplicate NAN and INFINITY macros.  */
       3  /* { dg-do compile } */
       4  /* { dg-options "-std=c2x -pedantic-errors" } */
       5  
       6  #include <math.h>
       7  #include <float.h>