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541b2a4aa3
the caller requested a null-terminated one. When mapping the file there could be a racing issue that resulted in the file being larger than the FileSize passed by the caller. We already have an assertion for this in MemoryBuffer::init() but have a runtime guarantee that the buffer will be null-terminated, so do a copy that adds a null-terminator. Protects against crash of rdar://11161822. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154082 91177308-0d34-0410-b5e6-96231b3b80d8
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