Fix ownership of the MemoryBuffer in a FrontendInputFile.
This fixes a possible crash on certain kinds of corrupted AST file, but
checking in an AST file corrupted in just the right way will be a maintenance
nightmare because the format changes frequently.
llvm-svn: 312851
diff --git a/clang/lib/Frontend/FrontendAction.cpp b/clang/lib/Frontend/FrontendAction.cpp
index 704d515..52e2799 100644
--- a/clang/lib/Frontend/FrontendAction.cpp
+++ b/clang/lib/Frontend/FrontendAction.cpp
@@ -754,10 +754,11 @@
goto failure;
// Reinitialize the main file entry to refer to the new input.
- if (!CI.InitializeSourceManager(FrontendInputFile(
- Buffer.release(), Input.getKind().withFormat(InputKind::Source),
- CurrentModule->IsSystem)))
- goto failure;
+ auto Kind = CurrentModule->IsSystem ? SrcMgr::C_System : SrcMgr::C_User;
+ auto &SourceMgr = CI.getSourceManager();
+ auto BufferID = SourceMgr.createFileID(std::move(Buffer), Kind);
+ assert(BufferID.isValid() && "couldn't creaate module buffer ID");
+ SourceMgr.setMainFileID(BufferID);
}
}