text: // RUN: %clang_cc1 -verify -fsyntax-only %s
  
  extern int f0() __attribute__((weak));
  extern int g0 __attribute__((weak));
  extern int g1 __attribute__((weak_import));
  int f2() __attribute__((weak));
  int g2 __attribute__((weak));
  int g3 __attribute__((weak_import)); // expected-warning {{'weak_import' attribute cannot be specified on a definition}}
  int __attribute__((weak_import)) g4(void);
  void __attribute__((weak_import)) g5(void) {
  }
  
  struct __attribute__((weak)) s0 {}; // expected-warning {{'weak' attribute only applies to variables, functions, and classes}}
  struct __attribute__((weak_import)) s1 {}; // expected-warning {{'weak_import' attribute only applies to variables and functions}}
  
  static int f() __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
  static int x __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
  
  // rdar://9538608
  int C; // expected-note {{previous declaration is here}}
  extern int C __attribute__((weak_import)); // expected-warning {{an already-declared variable is made a weak_import declaration}}
  
  static int pr14946_x;
  extern int pr14946_x  __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
  
  static void pr14946_f();
  void pr14946_f() __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
  