// RUN: %clang_cc1 %s -fsyntax-only -Wno-unused-value -Wbad-function-cast -triple x86_64-unknown-unknown -verify // rdar://9103192 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(); /* All following casts issue warning */ (float)if1(); /* expected-warning {{cast from function call of type 'int' to non-matching type 'float'}} */ (double)if2(); /* expected-warning {{cast from function call of type 'char' to non-matching type 'double'}} */ (_Bool)if3(); /* expected-warning {{cast from function call of type 'long' to non-matching type '_Bool'}} */ (int)rf1(); /* expected-warning {{cast from function call of type 'float' to non-matching type 'int'}} */ (long)rf2(); /* expected-warning {{cast from function call of type 'double' to non-matching type 'long'}} */ (double)cf(); /* expected-warning {{cast from function call of type '_Complex double' to non-matching type 'double'}} */ (int)ef(); /* expected-warning {{cast from function call of type 'enum e' to non-matching type 'int'}} */ (int)bf(); /* expected-warning {{cast from function call of type '_Bool' to non-matching type 'int'}} */ (__SIZE_TYPE__)pf1(); /* expected-warning {{cast from function call of type 'char *' to non-matching type 'unsigned long'}} */ (__PTRDIFF_TYPE__)pf2(); /* expected-warning {{cast from function call of type 'int *' to non-matching type 'long'}} */ } |