llvm-project/clang/test/Sema/attr-unused.c

28 lines
730 B
C

// RUN: %clang_cc1 -verify -Wunused-variable -fsyntax-only %s
static void (*fp0)(void) __attribute__((unused));
static void __attribute__((unused)) f0(void);
// On K&R
int f1() __attribute__((unused));
int g0 __attribute__((unused));
int f2() __attribute__((unused(1, 2))); // expected-error {{attribute requires 0 argument(s)}}
struct Test0_unused {} __attribute__((unused));
struct Test0_not_unused {};
typedef int Int_unused __attribute__((unused));
typedef int Int_not_unused;
void test0() {
int x; // expected-warning {{unused variable}}
Int_not_unused i0; // expected-warning {{unused variable}}
Int_unused i1;
struct Test0_not_unused s0; // expected-warning {{unused variable}}
struct Test0_unused s1;
}