1  /* Test for constant expressions: C90 aggregate initializers requiring
       2     constant expressions.  */
       3  /* Origin: Joseph Myers <joseph@codesourcery.com> */
       4  /* { dg-do compile } */
       5  /* { dg-options "-std=iso9899:1990 -pedantic-errors -O2" } */
       6  
       7  #include <float.h>
       8  #include <limits.h>
       9  
      10  double atan(double);
      11  
      12  struct s { double d; };
      13  struct t { int i; };
      14  
      15  void
      16  f (void)
      17  {
      18    /* As in PR 14649 for static initializers.  */
      19    struct s a = { atan (1.0) }; /* { dg-error "is not a constant expression|near initialization" } */
      20    /* Overflow.  */
      21    struct t b = { INT_MAX + 1 }; /* { dg-warning "integer overflow in expression" } */
      22    /* { dg-error "overflow in constant expression" "constant" { target *-*-* } .-1 } */
      23    struct t c = { DBL_MAX }; /* { dg-warning "overflow in conversion from .double. to .int. changes value " } */
      24    /* { dg-error "overflow in constant expression" "constant" { target *-*-* } .-1 } */
      25    /* Bad operator outside sizeof.  */
      26    struct s d = { 1 ? 1.0 : atan (a.d) }; /* { dg-error "is not a constant expression|near initialization" } */
      27  }