message: Fix TS complaint
diff: @@ -96,8 +96,8 @@ function emitBril(prog: ts.Node, checker: ts.TypeChecker): bril.Program {
  }
  // Handle "normal" value operators.
  - let op;
  - let type;
  + let op: bril.ValueOpCode;
  + let type: bril.Type;
  if (brilType(bin.left, checker) === "float" ||
  brilType(bin.right, checker) === "float") {
  // Floating point operators.
  