text: // RUN: %clang_cc1 -fsyntax-only -verify -x c -std=c11 %s
  // RUN: %clang_cc1 -fsyntax-only -verify -x c++ -std=c++11 %s
  // RUN: %clang_cc1 -std=c99 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace
  // RUN: %clang_cc1 -E -DPP_ONLY=1 %s | FileCheck %s --strict-whitespace
  
  // This file contains Unicode characters; please do not "fix" them!
  
  extern int x; // expected-warning {{treating Unicode character as whitespace}}
  extern int　x; // expected-warning {{treating Unicode character as whitespace}}
  
  // CHECK: extern int {{x}}
  // CHECK: extern int　{{x}}
  
  #pragma mark ¡Unicode!
  
  #define COPYRIGHT Copyright © 2012
  #define XSTR(X) #X
  #define STR(X) XSTR(X)
  
  static const char *copyright = STR(COPYRIGHT); // no-warning
  // CHECK: static const char *copyright = "Copyright © {{2012}}";
  
  #if PP_ONLY
  COPYRIGHT
  // CHECK: Copyright © {{2012}}
  CHECK : The preprocessor should not complain about Unicode characters like ©.
  #endif
  
          int _;
  
  #ifdef __cplusplus
  
  extern int ༀ;
  extern int 𑩐;
  extern int 𐠈;
  extern int ꙮ;
  extern int  \u1B4C;     // BALINESE LETTER ARCHAIC JNYA - Added in Unicode 14
  extern int  \U00016AA2; // TANGSA LETTER GA - Added in Unicode 14
  // This character doesn't have the XID_Start property
  extern int  \U00016AC0; // TANGSA DIGIT ZERO  // expected-error {{expected unqualified-id}}
  extern int _\U00016AC0; // TANGSA DIGIT ZERO
  
  extern int 🌹; // expected-error {{unexpected character <U+1F339>}} \
                    expected-warning {{declaration does not declare anything}}
  
  extern int 👷; // expected-error {{unexpected character <U+1F477>}} \
                    expected-warning {{declaration does not declare anything}}
  
  extern int 👷‍♀; // expected-warning {{declaration does not declare anything}} \
                    expected-error {{unexpected character <U+1F477>}} \
                    expected-error {{unexpected character <U+200D>}} \
                    expected-error {{unexpected character <U+2640>}}
  #else
  
  // A 🌹 by any other name....
  extern int 🌹;
  int 🌵(int 🌻) { return 🌻+ 1; }
  int main () {
    int 🌷 = 🌵(🌹);
    return 🌷;
  }
  
  int n; = 3; // expected-warning {{treating Unicode character <U+037E> as identifier character rather than as ';' symbol}}
  int *n꞉꞉v = &n;; // expected-warning 2{{treating Unicode character <U+A789> as identifier character rather than as ':' symbol}}
                   // expected-warning@-1 {{treating Unicode character <U+037E> as identifier character rather than as ';' symbol}}
  int v＝［＝］（auto）｛return～x；｝（）; // expected-warning 12{{treating Unicode character}}
  
  int ⁠x﻿x‍;
  // expected-warning@-1 {{identifier contains Unicode character <U+2060> that is invisible in some environments}}
  // expected-warning@-2 {{identifier contains Unicode character <U+FEFF> that is invisible in some environments}}
  // expected-warning@-3 {{identifier contains Unicode character <U+200D> that is invisible in some environments}}
  int foo​bar = 0; // expected-warning {{identifier contains Unicode character <U+200B> that is invisible in some environments}}
  int x = foobar; // expected-error {{undeclared identifier}}
  
  int ∣foo; // expected-error {{unexpected character <U+2223>}}
  #ifndef PP_ONLY
  #define ∶ x // expected-error {{macro name must be an identifier}}
  #endif
  
  #endif
  