text: // RUN: %check_clang_tidy %s readability-redundant-declaration %t -- \
  // RUN:   -config="{CheckOptions: \
  // RUN:             [{key: readability-redundant-declaration.IgnoreMacros, \
  // RUN:               value: 1}]}" \
  // RUN:   -- -std=c++11
  
  extern int Xyz;
  extern int Xyz; // Xyz
  // CHECK-MESSAGES: :[[@LINE-1]]:12: warning: redundant 'Xyz' declaration [readability-redundant-declaration]
  // CHECK-FIXES: {{^}}// Xyz{{$}}
  
  namespace macros {
  #define DECLARE(x) extern int x
  #define DEFINE(x) extern int x; int x = 42
  DECLARE(test);
  DEFINE(test);
  // CHECK-FIXES: {{^}}#define DECLARE(x) extern int x{{$}}
  // CHECK-FIXES: {{^}}#define DEFINE(x) extern int x; int x = 42{{$}}
  // CHECK-FIXES: {{^}}DECLARE(test);{{$}}
  // CHECK-FIXES: {{^}}DEFINE(test);{{$}}
  
  } // namespace macros
  