message: Switching to https for svn checkouts.
  This turns out to be more stable.
diff: @@ -116,19 +116,19 @@ def checkout_LLVM(component, use_git, version_LLVM, revision, target_dir, from_v
  GIT_REPO_BASE="http://llvm.org/git/"
  #GIT_REPO_BASE="https://github.com/llvm-mirror/"
  if component == "llvm":
  - SVN_REPO="http://llvm.org/svn/llvm-project/llvm/"
  + SVN_REPO="https://llvm.org/svn/llvm-project/llvm/"
  GIT_REPO=GIT_REPO_BASE+"llvm.git"
  elif component == "clang":
  - SVN_REPO="http://llvm.org/svn/llvm-project/cfe/"
  + SVN_REPO="https://llvm.org/svn/llvm-project/cfe/"
  GIT_REPO=GIT_REPO_BASE+"clang.git"
  elif component == "libcxx":
  - SVN_REPO="http://llvm.org/svn/llvm-project/libcxx/"
  + SVN_REPO="https://llvm.org/svn/llvm-project/libcxx/"
  GIT_REPO=GIT_REPO_BASE+"libcxx.git"
  elif component == "clang-tools-extra":
  - SVN_REPO="http://llvm.org/svn/llvm-project/clang-tools-extra/"
  + SVN_REPO="https://llvm.org/svn/llvm-project/clang-tools-extra/"
  GIT_REPO=GIT_REPO_BASE+"clang-tools-extra.git"
  elif component == "compiler-rt":
  - SVN_REPO="http://llvm.org/svn/llvm-project/compiler-rt/"
  + SVN_REPO="https://llvm.org/svn/llvm-project/compiler-rt/"
  GIT_REPO=GIT_REPO_BASE+"compiler-rt.git"
  else:
  error("Trying to checkout unidentified component: " + component, 1)
  