fix description of 'ret' to be more correct with multiple return
values.  Clarify that it is impossible to 'multiply return' a 
struct with zero elements.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50131 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed