code-completion results cached by ASTUnit, sort the resulting result
set. This makes testing far, far easier, so this commit also includes
tests for the previous few fixes.
llvm-svn: 112070
present, prefer values to types, since it's more common to compute
with values than it is to declare new entities or perform type
casts. So, tweak the ranking of types vs. other declarations and
constants accordingly.
llvm-svn: 111998
Douglas Gregor