text: // RUN: %clang_cc1 -fsyntax-only -verify %s
  
  #pragma clang attribute pop // expected-error {{'#pragma clang attribute pop' with no matching '#pragma clang attribute push'}}
  
  // Don't verify unused attributes.
  #pragma clang attribute push (__attribute__((annotate)), apply_to = function) // expected-warning {{unused attribute 'annotate' in '#pragma clang attribute push' region}}
  #pragma clang attribute pop // expected-note {{'#pragma clang attribute push' regions ends here}}
  
  // Ensure we only report any errors once.
  #pragma clang attribute push (__attribute__((annotate)), apply_to = function) // expected-error 4 {{'annotate' attribute takes one argument}}
  
  void test5_begin(); // expected-note {{when applied to this declaration}}
  void test5_1(); // expected-note {{when applied to this declaration}}
  
  #pragma clang attribute push (__attribute__((annotate())), apply_to = function) // expected-error 2 {{'annotate' attribute takes one argument}}
  
  void test5_2(); // expected-note 2 {{when applied to this declaration}}
  
  #pragma clang attribute push (__attribute__((annotate("hello", "world"))), apply_to = function) // expected-error {{'annotate' attribute takes one argument}}
  
  void test5_3(); // expected-note 3 {{when applied to this declaration}}
  
  #pragma clang attribute pop
  #pragma clang attribute pop
  #pragma clang attribute pop
  
  // Verify that the warnings are reported for each receiver declaration
  
  #pragma clang attribute push (__attribute__((optnone)), apply_to = function) // expected-note 2 {{conflicting attribute is here}}
  
  __attribute__((always_inline)) void optnone1() { } // expected-warning {{'always_inline' attribute ignored}}
  // expected-note@-1 {{when applied to this declaration}}
  
  void optnone2() { }
  
  __attribute__((always_inline)) void optnone3() { } // expected-warning {{'always_inline' attribute ignored}}
  // expected-note@-1 {{when applied to this declaration}}
  
  #pragma clang attribute pop
  
  #pragma clang attribute push ([[]], apply_to = function) // A noop
  
  #pragma clang attribute pop // expected-error {{'#pragma clang attribute pop' with no matching '#pragma clang attribute push'}}
  
  #pragma clang attribute push (__attribute__((annotate("func"))), apply_to = function) // expected-error {{unterminated '#pragma clang attribute push' at end of file}}
  
  void function();
  