[SymbolFilePDB] Keep searching until the file name is found for the pdb compiland
[SymbolFilePDB] Keep searching until the file name is found for the pdb compiland

Reviewers: zturner, rnk, lldb-commits

Reviewed By: zturner

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D44182

git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@327162 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb