| // RUN: c-index-test -test-load-source all %s -Wno-objc-root-class > %t 2>&1 | 
 | // RUN: FileCheck -input-file=%t %s | 
 |  | 
 | @class NSString; | 
 | void _rdar_12584554_A (volatile const void * object, volatile const void * selector, const char * functionName, const char * fileName, unsigned int lineNumber, NSString * msgFormat, ...); | 
 | #define _rdar_12584554_B(self,_format_and_args_...) \ | 
 |     do{ _rdar_12584554_A(&self,&_cmd,__PRETTY_FUNCTION__,__FILE__,__LINE__, _format_and_args_); }while(0) | 
 | #define _rdar_12584554_C(_format_and_args_...) \ | 
 |     _rdar_12584554_B(self, _format_and_args_) | 
 |  | 
 | @interface RDar12584554 | 
 | @end | 
 |  | 
 | // This test case tests that the "@" is properly inserted before the '"', even in the | 
 | // presence of a nested macro chain. | 
 | @implementation RDar12584554 | 
 | - (void) test:(int)result { | 
 |     _rdar_12584554_C("ted"); | 
 | } | 
 | @end | 
 |  | 
 | // CHECK: FIX-IT: Insert "@" at 18:22 |