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/* Test operation of -Wbad-function-cast.  */

/* Based on gcc.dg/Wbad-function-cast-1.c.  */

/* { dg-do compile } */

/* { dg-options "-std=gnu99 -Wbad-function-cast" } */

int if1(void);

char if2(void);

long if3(void);

float rf1(void);

double rf2(void);

_Decimal32 rf3(void);

_Decimal64 rf4(void);

_Decimal128 rf5(void);

_Complex double cf(void);

void

foo(void)

{

  /* Casts to void types are always OK.  */

  (void)rf3();

  (void)rf4();

  (void)rf5();

  (const void)rf3();

  /* Casts to the same type or similar types are OK.  */

  (_Decimal32)rf1();

  (_Decimal64)rf2();

  (_Decimal128)rf3();

  (_Decimal128)rf4();

  (_Decimal128)rf5();

  (float)rf3();

  (double)rf4();

  (long double)rf5();

   /* Casts to types with different TREE_CODE (which is how this

     warning has been defined) are not OK, except for casts to void

     types.  */

  (_Decimal32)if1(); /* { dg-warning "cast from function call of type 'int' to non-matching type '_Decimal32'" } */

  (_Decimal64)if2(); /* { dg-warning "cast from function call of type 'char' to non-matching type '_Decimal64'" } */

  (_Decimal128)if3(); /* { dg-warning "cast from function call of type 'long int' to non-matching type '_Decimal128'" } */

  (int)rf3(); /* { dg-warning "cast from function call of type '_Decimal32' to non-matching type 'int'" } */

  (long)rf4(); /* { dg-warning "cast from function call of type '_Decimal64' to non-matching type 'long int'" } */

  (long int)rf5(); /* { dg-warning "cast from function call of type '_Decimal128' to non-matching type 'long int'" } */

  (_Decimal32)cf(); /* { dg-warning "cast from function call of type 'complex double' to non-matching type '_Decimal32'" } */

}