tree 8ac259c757cdc9f70a76e01e6464dccb85c0d462
parent ae55608a29d61737b7c5390e2d1bb30ab8d5febb
author Douglas Gregor <dgregor@apple.com> 1316237718 +0000
committer Douglas Gregor <dgregor@apple.com> 1316237718 +0000

When we load header file information from the external source (i.e.,
the AST reader), merge that header file information with whatever
header file information we already have. Otherwise, we might forget
something we already knew (e.g., that the header was #import'd already).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139979 91177308-0d34-0410-b5e6-96231b3b80d8