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      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -fobjc-arc -x objective-c %s.result
      2 // RUN: arcmt-test --args -triple x86_64-apple-darwin10 -fsyntax-only -x objective-c %s > %t
      3 // RUN: diff %t %s.result
      4 
      5 #include "Common.h"
      6 
      7 typedef const struct __CFString * CFStringRef;
      8 extern const CFStringRef kUTTypePlainText;
      9 extern const CFStringRef kUTTypeRTF;
     10 
     11 typedef const struct __CFAllocator * CFAllocatorRef;
     12 typedef const struct __CFUUID * CFUUIDRef;
     13 
     14 extern const CFAllocatorRef kCFAllocatorDefault;
     15 
     16 extern CFStringRef CFUUIDCreateString(CFAllocatorRef alloc, CFUUIDRef uuid);
     17 
     18 struct StrS {
     19   CFStringRef sref_member;
     20 };
     21 
     22 @interface NSString : NSObject {
     23   CFStringRef sref;
     24   struct StrS *strS;
     25 }
     26 -(id)string;
     27 -(id)newString;
     28 @end
     29 
     30 void f(BOOL b, id p) {
     31   NSString *str = (NSString *)kUTTypePlainText;
     32   str = b ? kUTTypeRTF : kUTTypePlainText;
     33   str = (NSString *)(b ? kUTTypeRTF : kUTTypePlainText);
     34   str = (NSString *)p; // no change.
     35 
     36   CFUUIDRef   _uuid;
     37   NSString *_uuidString = (NSString *)CFUUIDCreateString(kCFAllocatorDefault, _uuid);
     38   _uuidString = [(NSString *)CFUUIDCreateString(kCFAllocatorDefault, _uuid) autorelease];
     39   _uuidString = CFRetain(_uuid);
     40 }
     41 
     42 @implementation NSString (StrExt)
     43 - (NSString *)stringEscapedAsURI {
     44   CFStringRef str = (CFStringRef)self;
     45   CFStringRef str2 = self;
     46   return self;
     47 }
     48 @end
     49 
     50 @implementation NSString
     51 -(id)string {
     52   if (0)
     53     return sref;
     54   else
     55     return strS->sref_member;
     56 }
     57 -(id)newString { return 0; }
     58 @end
     59 
     60 extern void consumeParam(CFStringRef CF_CONSUMED p);
     61 
     62 void f2(NSString *s) {
     63   CFStringRef ref = [s string];
     64   ref = (CFStringRef)[s string];
     65   ref = s.string;
     66   ref = [NSString new];
     67   ref = [s newString];
     68   ref = (CFStringRef)[NSString new];
     69   ref = [[NSString alloc] init];
     70   ref = [[s string] retain];
     71   ref = CFRetain((CFStringRef)[s string]);
     72   ref = CFRetain([s string]);
     73   ref = CFRetain(s);
     74   ref = [s retain];
     75 
     76   consumeParam((CFStringRef)s);
     77   consumeParam(s);
     78 }
     79