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/* Test operation of -Wbad-function-cast. Bug 6980 complained of the
wording of the diagnostic. */
/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
/* { dg-do compile } */
/* { dg-options "-Wbad-function-cast" } */
void vf(void);
int if1(void);
char if2(void);
long if3(void);
float rf1(void);
double rf2(void);
_Complex double cf(void);
enum e { E1 } ef(void);
_Bool bf(void);
char *pf1(void);
int *pf2(void);
void
foo(void)
{
/* Casts to void types are always OK. */
(void)vf();
(void)if1();
(void)cf();
(const void)bf();
/* Casts to the same type or similar types are OK. */
(int)if1();
(long)if2();
(char)if3();
(float)rf1();
(long double)rf2();
(_Complex float)cf();
(enum f { F1 })ef();
(_Bool)bf();
(void *)pf1();
(char *)pf2();
/* Casts to types with different TREE_CODE (which is how this
warning has been defined) are not OK, except for casts to void
types. */
(float)if1(); /* { dg-warning "cast from function call of type 'int' to non-matching type 'float'" } */
(double)if2(); /* { dg-warning "cast from function call of type 'char' to non-matching type 'double'" } */
(_Bool)if3(); /* { dg-warning "cast from function call of type 'long int' to non-matching type '_Bool'" } */
(int)rf1(); /* { dg-warning "cast from function call of type 'float' to non-matching type 'int'" } */
(long)rf2(); /* { dg-warning "cast from function call of type 'double' to non-matching type 'long int'" } */
(double)cf(); /* { dg-warning "cast from function call of type 'complex double' to non-matching type 'double'" } */
(int)ef(); /* { dg-warning "cast from function call of type 'enum e' to non-matching type 'int'" } */
(int)bf(); /* { dg-warning "cast from function call of type '_Bool' to non-matching type 'int'" } */
(__SIZE_TYPE__)pf1(); /* { dg-warning "cast from function call of type 'char \\*' to non-matching type '\[^\\n\]*'" } */
(__PTRDIFF_TYPE__)pf2(); /* { dg-warning "cast from function call of type 'int \\*' to non-matching type '\[^\\n\]*'" } */
}
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