Refactor the tree transform's many loops over sets of expressions
(transforming each in turn) into calls into one central routine
(TransformExprs) that transforms a list of expressions. This
refactoring is preparatory work for pack expansions whose in an
expression-list. 

No functionality change.

llvm-svn: 122761
5 files changed
tree: 4187aa8ed40e04de2de5fdab932d664186f30d18
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. lldb/
  6. llvm/