Teach SourceManager::getSLocEntry() that it can fail due to problems
during deserialization from  a precompiled header, and update all of
its callers to note when this problem occurs and recover (more)
gracefully. Fixes <rdar://problem/9119249>.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129839 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed