1 // RUN: %clang_cc1 -verify -Wunused -Wused-but-marked-unused -Wunused-parameter -Wunused -fsyntax-only %s
3 static void (*fp0
)(void) __attribute__((unused
));
5 static void __attribute__((unused
)) f0(void);
8 int f1() __attribute__((unused
));
10 int g0
__attribute__((unused
));
12 int f2() __attribute__((unused(1, 2))); // expected-error {{attribute requires 0 argument(s)}}
14 struct Test0_unused
{} __attribute__((unused
));
15 struct Test0_not_unused
{};
16 typedef int Int_unused
__attribute__((unused
));
17 typedef int Int_not_unused
;
20 int x
; // expected-warning {{unused variable}}
22 Int_not_unused i0
; // expected-warning {{unused variable}}
23 Int_unused i1
; // expected-warning {{'Int_unused' was marked unused but was used}}
25 struct Test0_not_unused s0
; // expected-warning {{unused variable}}
26 struct Test0_unused s1
; // expected-warning {{'Test0_unused' was marked unused but was used}}
29 int f3(int x
) { // expected-warning{{unused parameter 'x'}}
37 int f5(int x
__attribute__((__unused__
))) {
41 int f6(int x
__attribute__((__unused__
))) {
42 return x
; // expected-warning{{'x' was marked unused but was used}}