Add a FileCharacteristic parameter to SourceManager::createFileIDForMemBuffer
for completeness and use it in CompilerInstance::InitializeSourceManager if
the input is a memory buffer.

llvm-svn: 167628
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 0f3e553..deba302e 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -961,6 +961,8 @@
   case SM_SLOC_BUFFER_ENTRY: {
     const char *Name = BlobStart;
     unsigned Offset = Record[0];
+    SrcMgr::CharacteristicKind
+      FileCharacter = (SrcMgr::CharacteristicKind)Record[2];
     SourceLocation IncludeLoc = ReadSourceLocation(*F, Record[1]);
     unsigned Code = SLocEntryCursor.ReadCode();
     Record.clear();
@@ -975,8 +977,8 @@
     llvm::MemoryBuffer *Buffer
       = llvm::MemoryBuffer::getMemBuffer(StringRef(BlobStart, BlobLen - 1),
                                          Name);
-    SourceMgr.createFileIDForMemBuffer(Buffer, ID, BaseOffset + Offset,
-                                       IncludeLoc);
+    SourceMgr.createFileIDForMemBuffer(Buffer, FileCharacter, ID,
+                                       BaseOffset + Offset, IncludeLoc);
     break;
   }