1// RUN: %clang_cc1 -x objective-c++ -fblocks -fms-extensions -rewrite-objc %s -o %t-rw.cpp 2// RUN: FileCheck -check-prefix CHECK-LP --input-file=%t-rw.cpp %s 3// RUN: %clang_cc1 -fsyntax-only -Wno-address-of-temporary -Wno-attributes -D"Class=void*" -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp 4 5typedef unsigned long size_t; 6extern "C" { 7extern "C" void *_Block_copy(const void *aBlock); 8extern "C" void _Block_release(const void *aBlock); 9} 10 11int main() { 12 __attribute__((__blocks__(byref))) int a = 42; 13 int save_a = a; 14 15 void (^b)(void) = ^{ 16 ((__typeof(^{ a = 2; }))_Block_copy((const void *)(^{ a = 2; }))); 17 }; 18 19 ((__typeof(b))_Block_copy((const void *)(b))); 20 21 return 0; 22} 23 24// CHECK-LP: ((void (^)(void))_Block_copy((const void *)(b))) 25 26void f() { 27 int a; 28 __typeof__(a) aVal = a; 29 char *a1t = (char *)@encode(__typeof__(a)); 30 __typeof__(aVal) bVal; 31 char *a2t = (char *)@encode(__typeof__(bVal)); 32 __typeof__(bVal) cVal = bVal; 33 char *a3t = (char *)@encode(__typeof__(cVal)); 34 35} 36 37void x() { 38 id y; 39 void (^z)() = ^{ }; 40 y = (id)((__typeof(z))_Block_copy((const void *)(z))); 41} 42 43// CHECK-LP: int aVal = a; 44 45// CHECK-LP: int bVal; 46