Make the integer-range analysis recognize ^= correctly,
and (while I'm at it) teach it to grok the results of simple
assignments.

The first is PR10336.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135034 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed