// // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. #include #include #include #include // CONFIG int cumulation = 0; int doSomething(int i) { cumulation += i; return cumulation; } void dirtyStack() { int i = random(); int j = doSomething(i); int k = doSomething(j); doSomething(i + j + k); } typedef void (^voidVoid)(void); voidVoid testFunction() { int i = random(); __block voidVoid inner = ^{ doSomething(i); }; //printf("inner, on stack, is %p\n", (void*)inner); /*__block*/ voidVoid outer = ^{ //printf("will call inner block %p\n", (void *)inner); inner(); }; //printf("outer looks like: %s\n", _Block_dump(outer)); voidVoid result = Block_copy(outer); //Block_release(inner); return result; } int main(int argc, char **argv) { voidVoid block = testFunction(); dirtyStack(); block(); Block_release(block); printf("%s: success\n", argv[0]); return 0; }