test/CodeGenCXX/reference-in-block-args.cpp

   1 // RUN: %clang_cc1 -fblocks %s -emit-llvm -o %t
   2 // rdar: // 8041962
   3
   4 extern "C" int printf(const char*, ...);
   5
   6 struct ST {
   7      int filler;
   8      int referrer;
   9 };
  10
  11 void OUTER_BLOCK(void (^fixer)(ST& ref)) {
  12     ST ref = {2, 100};
  13     fixer(ref);
  14 }
  15
  16 void INNER_BLOCK(int (^largeDo) ()) {
  17         printf("%d\n", largeDo());
  18 }
  19
  20 void scan() {
  21             OUTER_BLOCK(^(ST &ref) {
  22                 INNER_BLOCK(^() { return ref.referrer + ref.filler; });
  23             });
  24
  25 }
  26
  27 int main() {
  28     scan();
  29 }