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      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -fblocks -fobjc-gc -emit-llvm -o %t %s
      2 // RUN: grep -F '@objc_assign_strongCast' %t  | count 4
      3 // RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -fblocks -fobjc-gc -emit-llvm -o %t %s
      4 // RUN: grep -F '@objc_assign_strongCast' %t  | count 4
      5 
      6 @interface DSATextSearch @end
      7 
      8 DSATextSearch **_uniqueIdToIdentifierArray = (0);
      9 void foo (int _nextId)
     10 {
     11 	_uniqueIdToIdentifierArray[_nextId] = 0;  // objc_assign_strongCast
     12 }
     13 
     14 typedef struct {
     15     unsigned long state;
     16     id *itemsPtr;
     17     void (^bp)();
     18     unsigned long *mutationsPtr;
     19     unsigned long extra[5];
     20 } NSFastEnumerationState;
     21 
     22 void foo1 (NSFastEnumerationState * state)
     23 {
     24    state->itemsPtr = 0;
     25    state->bp = ^{};
     26 }
     27 
     28