diff options
Diffstat (limited to 'clang/test/CodeGenCXX/reference-in-blocks.cpp')
-rw-r--r-- | clang/test/CodeGenCXX/reference-in-blocks.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/reference-in-blocks.cpp b/clang/test/CodeGenCXX/reference-in-blocks.cpp new file mode 100644 index 0000000..388ec7c --- /dev/null +++ b/clang/test/CodeGenCXX/reference-in-blocks.cpp @@ -0,0 +1,43 @@ +// RUN: %clang_cc1 -fblocks %s -emit-llvm -o %t + +extern "C" int printf(const char*, ...); + +template<typename T> class range { +public: +T _i; + range(T i) {_i = i;}; + T get() {return _i;}; +}; + +// rdar: // 7495203 +class A { + public: + A() : field(10), d1(3.14) {} + void F(); + void S() { + printf(" field = %d\n", field); + printf(" field = %f\n", d1); + } + int field; + double d1; +}; + +void A::F() + { + __block A &tlc = *this; + // crashed in code gen (radar 7495203) + ^{ tlc.S(); }(); + } + +int main() { + + // works + void (^bl)(range<int> ) = ^(range<int> i){printf("Hello Blocks %d\n", i.get()); }; + + //crashes in godegen? + void (^bl2)(range<int>& ) = ^(range<int>& i){printf("Hello Blocks %d\n", i.get()); }; + + A *a = new A; + a->F(); + return 0; +} |