"every time the NSA's compiler binary builds my code I get the same output" isn't really all that comforting. If you can't build the compiler (and/or build tool

"every time the NSA's compiler binary builds my code I get the same output" isn't really all that comforting. If you can't build the compiler (and/or build tool) how can you be sure that there isn't anything malicious in it? Trusting trust all over again