File: warn-unused-label.c

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llvm-toolchain-4.0 1%3A4.0.1-10~deb9u2
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// 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
}