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/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp
index 128de28..5c16782 100644
--- a/clang/lib/Frontend/CompilerInstance.cpp
+++ b/clang/lib/Frontend/CompilerInstance.cpp
@@ -838,8 +838,8 @@
: Input.isSystem() ? SrcMgr::C_System : SrcMgr::C_User;
if (Input.isBuffer()) {
- SourceMgr.setMainFileID(SourceMgr.createFileID(
- std::unique_ptr<llvm::MemoryBuffer>(Input.getBuffer()), Kind));
+ SourceMgr.setMainFileID(SourceMgr.createFileID(SourceManager::Unowned,
+ Input.getBuffer(), Kind));
assert(SourceMgr.getMainFileID().isValid() &&
"Couldn't establish MainFileID!");
return true;