current implementation of struct returning invocation is not supported by Clang
current implementation of struct returning invocation is not supported by Clang

see http://llvm.org/bugs/show_bug.cgi?id=9254

liruqi/cocotron,berkus/cocotron,liruqi/cocotron,berkus/cocotron,berkus/cocotron,liruqi/cocotron,liruqi/cocotron,berkus/cocotron