clang/test/Sema/unknown-attributes.c

// RUN: %clang_cc1 -Wunknown-attributes -fsyntax-only -verify=expected,c %s
// RUN: %clang_cc1 -x c++ -Wunknown-attributes -fsyntax-only -verify=expected,cxx %s

[[gmu::deprected]] // expected-warning {{unknown attribute 'gmu::deprected' ignored; did you mean 'gnu::deprecated'?}}
int f1(void) {
  return 0;
}

[[gmu::deprecated]] // expected-warning {{unknown attribute 'gmu::deprecated' ignored; did you mean 'gnu::deprecated'?}}
int f2(void) {
  return 0;
}

[[gnu::deprected]] // expected-warning {{unknown attribute 'gnu::deprected' ignored; did you mean 'gnu::deprecated'?}}
int f3(void) {
  return 0;
}

[[deprected]] // expected-warning {{unknown attribute 'deprected' ignored; did you mean 'deprecated'?}}
int f4(void) {
  return 0;
}

[[using gnu : deprected]] // c-error {{expected ','}} \
                          // c-warning {{unknown attribute 'using' ignored}} \
                          // cxx-warning {{unknown attribute 'gnu::deprected' ignored; did you mean 'gnu::deprecated'?}}
int f5(void) {
  return 0;
}