hanchenye-llvm-project/clang/test/Sema/warn-unused-label.c

16 lines
361 B
C

// RUN: %clang_cc1 -fsyntax-only -Wunused-label -verify %s
void f() {
a:
goto a;
b: // expected-warning{{unused}}
c: __attribute__((unused));
d: __attribute__((noreturn)); // expected-warning {{'noreturn' attribute only applies to functions}}
goto d;
return;
}
void PR8455() {
L: __attribute__((unused)) return; // ok, no semicolon required
}