gcc/gcc/testsuite/gcc.dg/diag-aka-1.c

30 lines
788 B
C

/* { dg-do compile } */
/* { dg-options "-Wc++-compat" } */
typedef struct A { int i; } B;
typedef struct T { int i; } T;
typedef const float TFA;
typedef TFA TFB;
typedef TFB TFC;
typedef int IA[];
typedef IA *IAP;
extern IAP arr[];
void fn1 (B *); /* { dg-message "expected .B \\* {aka struct A \\*}. but argument is of type .struct B \\*." } */
void fn2 (TFC *);
void
bar (B *b, int *i)
{
fn1 ((struct B *) b); /* { dg-warning "passing argument" } */
fn2 (i); /* { dg-warning "passing argument" } */
sizeof (arr); /* { dg-error "invalid application of .sizeof. to incomplete type .int \\(\\*\\\[\\\]\\)\\\[\\\]." } */
}
int
foo (void *a)
{
T *t = a; /* { dg-warning "request for implicit conversion from .void \\*. to .T \\* {aka struct T \\*}. not" } */
return t->i;
}