1 // RUN: %clang_cc1 -x objective-c++ -fblocks -fms-extensions -rewrite-objc %s -o %t-rw.cpp 2 // RUN: FileCheck -check-prefix 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 5 extern "C" { 6 extern "C" void *_Block_copy(const void *aBlock); 7 extern "C" void _Block_release(const void *aBlock); 8 } 9 10 int main() { 11 __attribute__((__blocks__(byref))) int a = 42; 12 int save_a = a; 13 14 void (^b)(void) = ^{ 15 ((__typeof(^{ a = 2; }))_Block_copy((const void *)(^{ a = 2; }))); 16 }; 17 18 ((__typeof(b))_Block_copy((const void *)(b))); 19 20 return 0; 21 } 22 23 // CHECK-LP: ((void (^)(void))_Block_copy((const void *)(b))) 24 25 // radar 7628153 26 void 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 37 // rdar://11239324 38 void x() { 39 id y; 40 void (^z)() = ^{ }; 41 y = (id)((__typeof(z))_Block_copy((const void *)(z))); 42 } 43 44 // CHECK-LP: int aVal = a; 45 46 // CHECK-LP: int bVal; 47