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/* Test handling of lvalues of incomplete types. Bugs 36941, 88647
(invalid), 88827. */
/* { dg-do compile } */
/* { dg-options "-std=c11 -pedantic-errors" } */
struct S;
extern struct S var;
extern struct S *vp;
extern int i;
void
f1 (void)
{
var; /* { dg-error "has an incomplete type" } */
var, (void) 0; /* { dg-error "has an incomplete type" } */
(i
? var /* { dg-error "has an incomplete type" } */
: var); /* { dg-error "has an incomplete type" } */
}
void
f2 (void)
{
(void) var; /* { dg-error "has an incomplete type" } */
(void) (var, (void) 0); /* { dg-error "has an incomplete type" } */
(void) (i
? var /* { dg-error "has an incomplete type" } */
: var); /* { dg-error "has an incomplete type" } */
}
void
f3 (void)
{
(const void) var; /* { dg-error "has an incomplete type" } */
(const void) (var, (void) 0); /* { dg-error "has an incomplete type" } */
(const void) (i
? var /* { dg-error "has an incomplete type" } */
: var); /* { dg-error "has an incomplete type" } */
}
void
f4 (void)
{
*vp; /* { dg-error "invalid use of undefined type" } */
*vp, (void) 0; /* { dg-error "invalid use of undefined type" } */
(i
? *vp /* { dg-error "invalid use of undefined type" } */
: *vp); /* { dg-error "invalid use of undefined type" } */
}
void
f5 (void)
{
(void) *vp; /* { dg-error "invalid use of undefined type" } */
(void) (*vp, (void) 0); /* { dg-error "invalid use of undefined type" } */
(void) (i
? *vp /* { dg-error "invalid use of undefined type" } */
: *vp); /* { dg-error "invalid use of undefined type" } */
}
void
f6 (void)
{
(const void) *vp; /* { dg-error "invalid use of undefined type" } */
(const void) (*vp, (void) 0); /* { dg-error "invalid use of undefined type" } */
(const void) (i
? *vp /* { dg-error "invalid use of undefined type" } */
: *vp); /* { dg-error "invalid use of undefined type" } */
}
void
f7 (void)
{
/* This is invalid because of the constraints on []. */
&vp[0]; /* { dg-error "invalid use of undefined type" } */
}
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