Reapply r141870, SCEV expansion of post-inc.

Speculatively reapply to see if this test case still crashes on
linux. I may have fixed it in my last checkin.

llvm-svn: 141895
2 files changed
tree: 202316e78273c1b0d1cd5d4d9456825b4a5bc5ea
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. libcxxabi/
  6. lldb/
  7. llvm/
  8. polly/