Introduce a module import declaration, so that we properly represent, e.g.,

  __import_module__ std.vector;

in the AST.

llvm-svn: 145725
13 files changed
tree: 73d479ee4d1220393f08cd83e51bb3d97f872004
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. libcxxabi/
  6. lldb/
  7. llvm/
  8. polly/