Xavier Leroy. Formally Verifying a Compiler: What Does It Mean, Exactly?. In Ioannis Chatzigiannakis, Michael Mitzenmacher, Yuval Rabani, Davide Sangiorgi, editors, 43rd International Colloquium on Automata, Languages, and Programming, ICALP 2016, July 11-15, 2016, Rome, Italy. Volume 55 of LIPIcs, Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, 2016. [doi]