Switch the standard DeclarationName comparator to be a tri-valued comparator.
Use that while fixing a nasty misuse of qsort in vtable codegen which, somehow,
has not actually caused a crash.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@96062 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed