Fix for PR3350: add special-casing for "references" to va_lists in 
builtins.

Also, a minor tweak to va_copy for consistency.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62574 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed