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/* Fixed in r7-2945-g61f46d0e6dd568.
Simplified from gcc/ipa-devirt.c. */
#define NULL ((void *)0)
typedef struct odr_type_d {
/* .... */
int id;
/* .... */
} *odr_type;
static odr_type **odr_types_ptr;
#define odr_types (*odr_types_ptr) /* { dg-message "pointer 'odr_types_ptr' is dereferenced here" } */
int cond, other_cond;
odr_type some_logic ();
odr_type
get_odr_type (/* ... */)
{
/* .... */
odr_type val = NULL;
/* .... */
val = some_logic ();
/* .... */
if (cond)
{
/* .... */
}
else if (other_cond)
{
odr_types[val->id] = 0; /* { dg-message "in expansion of macro 'odr_types'" } */
/* .... */
if (odr_types_ptr) /* { dg-warning "check of 'odr_types_ptr' for NULL after already dereferencing it" } */
{
/* .... */
val->id = 42;
}
/* .... */
}
return val;
}
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