[M3commit] [modula3/cm3] ae4186: Fix more bugs in passing READONLY parameters.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/modula3/cm3
  Commit: ae41860c9ae6c7c152b5d1209845ddf01bfc73dc
      https://github.com/modula3/cm3/commit/ae41860c9ae6c7c152b5d1209845ddf01bfc73dc
  Author: Rodney Bates <rodney.m.bates at acm.org>
  Date:   2017-10-03 (Tue, 03 Oct 2017)

  Changed paths:
    M m3-sys/m3front/src/values/Formal.m3

  Log Message:
  -----------
  Fix more bugs in passing READONLY parameters.

For floats, procedures, and records READONLY, was not always making
copies as called for by the language definition, 2.3.2 Procedure call.