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// RUN: %clang_cc1 -Wno-pointer-to-int-cast -fsyntax-only -verify %s
// PR3459
struct bar {
char n[1];
};
struct foo {
char name[(int)&((struct bar *)0)->n];
char name2[(int)&((struct bar *)0)->n - 1]; //expected-error{{'name2' declared as an array with a negative size}}
};
// PR3430
struct s {
struct st {
int v;
} *ts;
};
struct st;
int foo() {
struct st *f;
return f->v + f[0].v;
}
// PR3642, PR3671
struct pppoe_tag {
short tag_type;
char tag_data[];
};
struct datatag {
struct pppoe_tag hdr; //expected-warning{{field 'hdr' with variable sized type 'struct pppoe_tag' not at the end of a struct or class is a GNU extension}}
char data;
};
// PR4092
struct s0 {
char a; // expected-note {{previous declaration is here}}
char a; // expected-error {{duplicate member 'a'}}
};
struct s0 f0(void) {}
// <rdar://problem/8177927> - This previously triggered an assertion failure.
struct x0 {
unsigned int x1;
};
// rdar://problem/9150338
static struct test1 { // expected-warning {{'static' ignored on this declaration}}
int x;
};
const struct test2 { // expected-warning {{'const' ignored on this declaration}}
int x;
};
inline struct test3 { // expected-error {{'inline' can only appear on functions}}
int x;
};
struct hiding_1 {};
struct hiding_2 {};
void test_hiding() {
struct hiding_1 *hiding_1();
extern struct hiding_2 *hiding_2;
struct hiding_1 *p = hiding_1();
struct hiding_2 *q = hiding_2;
}
struct PreserveAttributes {};
typedef struct __attribute__((noreturn)) PreserveAttributes PreserveAttributes_t; // expected-warning {{'noreturn' attribute only applies to functions and methods}}
// PR46255
struct FlexibleArrayMem {
int a;
int b[];
};
struct FollowedByNamed {
struct FlexibleArrayMem a; // expected-warning {{field 'a' with variable sized type 'struct FlexibleArrayMem' not at the end of a struct or class is a GNU extension}}
int i;
};
struct FollowedByUnNamed {
struct FlexibleArrayMem a; // expected-warning {{field 'a' with variable sized type 'struct FlexibleArrayMem' not at the end of a struct or class is a GNU extension}}
struct {
int i;
};
};
struct InAnonymous {
struct { // expected-warning-re {{field '' with variable sized type 'struct InAnonymous::(anonymous at {{.+}})' not at the end of a struct or class is a GNU extension}}
struct FlexibleArrayMem a;
};
int i;
};
struct InAnonymousFollowedByAnon {
struct { // expected-warning-re {{field '' with variable sized type 'struct InAnonymousFollowedByAnon::(anonymous at {{.+}})' not at the end of a struct or class is a GNU extension}}
struct FlexibleArrayMem a;
};
struct {
int i;
};
};
// This is the behavior in C++ as well, so making sure we reproduce it here.
struct InAnonymousFollowedByEmpty {
struct FlexibleArrayMem a; // expected-warning {{field 'a' with variable sized type 'struct FlexibleArrayMem' not at the end of a struct or class is a GNU extension}}
struct {};
};
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