[Bug c/53063] encode group options in the .opt files

[manu at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53063

--- Comment #2 from Manuel López-Ibáñez <manu at gcc dot gnu.org> 2012-05-13 
22:30:34 UTC ---
*** Bug 53072 has been marked as a duplicate of this bug. ***