text: // RUN: %clang_cc1 -fsyntax-only -verify %s
  
  int x __attribute__((constructor)); // expected-warning {{'constructor' attribute only applies to functions}}
  int f(void) __attribute__((constructor));
  int f(void) __attribute__((constructor(1)));
  int f(void) __attribute__((constructor(1,2))); // expected-error {{'constructor' attribute takes no more than 1 argument}}
  int f(void) __attribute__((constructor(1.0))); // expected-error {{'constructor' attribute requires an integer constant}}
  int f(void) __attribute__((constructor(0x100000000))); // expected-error {{integer constant expression evaluates to value 4294967296 that cannot be represented in a 32-bit unsigned integer type}}
  
  int x __attribute__((destructor)); // expected-warning {{'destructor' attribute only applies to functions}}
  int f(void) __attribute__((destructor));
  int f(void) __attribute__((destructor(1)));
  int f(void) __attribute__((destructor(1,2))); // expected-error {{'destructor' attribute takes no more than 1 argument}}
  int f(void) __attribute__((destructor(1.0))); // expected-error {{'destructor' attribute requires an integer constant}}
  
  void knr() __attribute__((constructor));
  