tree 42fa24ee20398728edde29352a3572051bc69f40
parent 453091cc2082e207ea2c2dda645a9bc01b37fb0c
author Douglas Gregor <dgregor@apple.com> 1268780031 +0000
committer Douglas Gregor <dgregor@apple.com> 1268780031 +0000

Teach SourceManager's content cache to keep track of whether its
buffer was invalid when it was created, and use that bit to always set
the "Invalid" flag according to whether the buffer is invalid. This
ensures that all accesses to an invalid buffer are marked invalid,
improving recovery.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98690 91177308-0d34-0410-b5e6-96231b3b80d8