27 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -Wunused-variable -Wunused-label -verify %s2 3static int unused_local_static;4 5namespace PR8455 {6 void f() {7 A: // expected-warning {{unused label 'A'}}8 __attribute__((unused)) int i; // attribute applies to variable9 B: // attribute applies to label10 __attribute__((unused)); int j; // expected-warning {{unused variable 'j'}}11 }12 13 void g() {14 C: // unused label 'C' will not appear here because an error has occurred15 __attribute__((unused)) // expected-error {{an attribute list cannot appear here}}16 #pragma weak unused_local_static17 ;18 }19 20 void h() {21 D:22#pragma weak unused_local_static23 __attribute__((unused)) // expected-error {{'unused' attribute cannot be applied to a statement}}24 ;25 }26}27