clang/test/Sema/conditional-expr.c

43 строки
1.7 KiB
C

// RUN: clang -fsyntax-only -verify -pedantic %s
void foo() {
*(0 ? (double *)0 : (void *)0) = 0;
// FIXME: GCC doesn't consider the the following two statements to be errors.
*(0 ? (double *)0 : (void *)(int *)0) = 0; // expected-error {{incomplete type 'void' is not assignable}}
*(0 ? (double *)0 : (void *)(double *)0) = 0; // expected-error {{incomplete type 'void' is not assignable}}
*(0 ? (double *)0 : (int *)(void *)0) = 0; // expected-error {{incomplete type 'void' is not assignable}} expected-warning {{pointer type mismatch ('double *' and 'int *')}}
*(0 ? (double *)0 : (double *)(void *)0) = 0;
*((void *) 0) = 0; // expected-error {{incomplete type 'void' is not assignable}}
double *dp;
int *ip;
void *vp;
dp = vp;
vp = dp;
ip = dp; // expected-warning {{incompatible pointer types assigning 'double *', expected 'int *'}}
dp = ip; // expected-warning {{incompatible pointer types assigning 'int *', expected 'double *'}}
dp = 0 ? (double *)0 : (void *)0;
vp = 0 ? (double *)0 : (void *)0;
ip = 0 ? (double *)0 : (void *)0; // expected-warning {{incompatible pointer types assigning 'double *', expected 'int *'}}
const int *cip;
vp = (0 ? vp : cip); // expected-warning {{discards qualifiers}}
vp = (0 ? cip : vp); // expected-warning {{discards qualifiers}}
int i = 2;
int (*pf)[2];
int (*pv)[i];
pf = (i ? pf : pv);
enum {xxx,yyy,zzz} e, *ee;
short x;
ee = ee ? &x : ee ? &i : &e; // expected-warning {{pointer type mismatch}}
typedef void *asdf;
*(0 ? (asdf) 0 : &x) = 10;
}
int Postgresql() {
char x;
return ((((&x) != ((void *) 0)) ? (*(&x) = ((char) 1)) : (void) ((void *) 0)), (unsigned long) ((void *) 0)); // expected-warning {{C99 forbids conditional expressions with only one void side}}
}