**TypeScript Version:** 2.8.0-dev.20180308 <!-- Search terms you tried before logging this (so others can find this issue more easily) --> **Search Terms:** const let codefix **Code** ```ts const x = 42; // lots of code x/*1*/ = 75; ``` **Expected behavior:** Error with codefix offered at 1 to convert the declaration from `const` to `let` **Actual behavior:** Just an error, no codefix **Related Issues:** The exact opposite of #13133