Operators that we don't think we'll be able to handle.
Definition:
(defconst *toohard-ops* (list :vl-mintypmax :vl-partselect-pluscolon :vl-partselect-minuscolon :vl-funcall :vl-syscall :vl-hid-dot :vl-index :vl-select-colon :vl-select-pluscolon :vl-select-minuscolon :vl-scope :vl-with-colon :vl-with-index :vl-with-minuscolon :vl-with-pluscolon :vl-stream-left :vl-stream-left-sized :vl-stream-right :vl-stream-right-sized :vl-tagged :vl-binary-cast :vl-pattern-multi :vl-pattern-type :vl-pattern-keyvalue :vl-pattern-positional :vl-keyvalue :vl-unary-preinc :vl-unary-predec :vl-unary-postinc :vl-unary-postdec :vl-binary-assign :vl-binary-plusassign :vl-binary-minusassign :vl-binary-timesassign :vl-binary-divassign :vl-binary-remassign :vl-binary-andassign :vl-binary-orassign :vl-binary-xorassign :vl-binary-shlassign :vl-binary-shrassign :vl-binary-ashlassign :vl-binary-ashrassign :vl-inside :vl-valuerange :vl-valuerangelist))