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-rw-r--r--lib/Frontend/ASTUnit.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Frontend/ASTUnit.cpp b/lib/Frontend/ASTUnit.cpp
index 9ab3a8faba..4feaad81e6 100644
--- a/lib/Frontend/ASTUnit.cpp
+++ b/lib/Frontend/ASTUnit.cpp
@@ -1912,6 +1912,8 @@ ASTUnit *ASTUnit::LoadFromCompilerInvocation(CompilerInvocation *CI,
AST->IncludeBriefCommentsInCodeCompletion
= IncludeBriefCommentsInCodeCompletion;
AST->Invocation = CI;
+ AST->FileSystemOpts = CI->getFileSystemOpts();
+ AST->FileMgr = new FileManager(AST->FileSystemOpts);
AST->UserFilesAreVolatile = UserFilesAreVolatile;
// Recover resources if we crash before exiting this method.